Text 162, 1325 rader
Skriven 2006-12-16 13:20:00 av KURT WISMER (1:123/140)
Ärende: News, December 16 2006
==============================
[cut-n-paste from sophos.com]
Name W32/Mofei-T
Type
* Worm
How it spreads
* Network shares
Affected operating systems
* Windows
Side effects
* Turns off anti-virus applications
* Downloads code from the internet
* Installs itself in the Registry
* Leaves non-infected files on computer
Aliases
* Net-Worm.Win32.Mofeir.x
Prevalence (1-5) 2
Description
W32/Mofei-T is a network worm with backdoor functionality for the
Windows platform.
W32/Mofei-T may attempt to spread via network shares protected by
weak passwords.
Advanced
W32/Mofei-T is a network worm with backdoor functionality for the
Windows platform.
W32/Mofei-T may attempt to spread via network shares protected by
weak passwords.
When first run W32/Mofei-T copies itself to <System>\netlog32.exe and
creates the following files:
<System>\netlog32.dat
<System>\netlog32.dll
where netlog32.dat is a configuration data file and netlog32.dll is a
file that provides backdoor functionality.
The file netlog32.exe is registered as a new system driver service
named "netlog", with a display name of "Network Performance Alerts"
and a startup type of automatic, so that it is started automatically
during system startup. Registry entries are created under:
HKLM\SYSTEM\CurrentControlSet\Services\netlog\
W32/Mofei-T provides backdoor access and control over the computer by
creating a port (backdoor) and then listening for instructions being
sent from a remote client.
The remote intruder will be able to carry out a variety of actions,
including getting a Windows command shell, getting a content listing
for selected folders, deleting files and folders, executing files and
downloading files from the internet.
Name W32/SillyFDC-G
Type
* Worm
How it spreads
* Network shares
Affected operating systems
* Windows
Side effects
* Installs itself in the Registry
Aliases
* Worm.Win32.AutoIt.c
* Win32/Hakaglan.B
Prevalence (1-5) 2
Description
W32/SillyFDC-G is a floppy disk and network worm for the Windows
platform.
Advanced
W32/SillyFDC-G is a floppy disk and network worm for the Windows
platform.
When run W32/SillyFDC-G copies itself to the following locations:
<Windows>\RVHOST.EXE
<System>\RVHOST.EXE
<Windows>\Resources\Themes\Luna\Shell\Homestead\<original worm
filename>
W32/SillyFDC-G also attempts to copy itself to the following
drive-mappings (which may be shared network drives or CD drives):
A:\NTT0509.EXE
E:\NTT0509.EXE
F:\NTT0509.EXE
G:\NTT0509.EXE
H:\NTT0509.EXE
W32/SillyFDC-G may also copy itself to removeable drives as "New
Folder.exe".
W32/SillyFDC-G also sets the following registry entries to run itself
on startup:
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Yahoo Messengger
<System>\RVHOST.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
NotePad
<Windows>\Resources\Themes\Luna\Shell\Homestead\<original worm
filename>
HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
Shell
Explorer.exe RVHOST.exe
The following registry entries are also created or changed:
HKLM\SYSTEM\CurrentControlSet\Services\Schedule
NextAtJobId
2
HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\
WorkgroupCrawler\Shares
shared
\New Folder.exe
HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
NofolderOptions
1
HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System
DisableRegistryTools
1
HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System
DisableTaskMgr
1
Name W32/Dref-S
Type
* Spyware Worm
How it spreads
* Email attachments
Affected operating systems
* Windows
Side effects
* Turns off anti-virus applications
* Steals information
* Drops more malware
* Forges the sender's email address
* Uses its own emailing engine
* Installs itself in the Registry
Aliases
* Trojan-Downloader.Win32.Tiny.et
* Win32/Nuwar.I
Prevalence (1-5) 2
Description
W32/Dref-S is an email worm for the Windows platform.
W32/Dref-S harvests email addresses from the infected computer and
attempts to send itself to them. W32/Dref-S tries to send itself in
an email with characters obtained from www.cnn.com, but failing that
it will use the following characteristics:
Subject line (one of the following):
URGENT NEWS!
ATTN
NEWS!
Incredible news!
READ AND RESEND ASAP!
ATTN TO EVERYBODY!
URG
White house news!
Attachment filename (one of the following):
read me.exe
CNN latest news.exe
CNN news reader.exe
cnn.exe
news reader.exe
cnn site explorer.exe
WWW-CNN-COM.exe
news agent.exe
webnews agent.exe
cnn agent.exe
Message text (one of the following):
Read more in attach...
Read more in attached file...
Full news in attached file
Full news in attach
Open file to get complete news.
Full news included in attached file
For read this news open file
W32/Dref-S attempts to terminate windows and processes related to
anti-virus and security applications.
Advanced
W32/Dref-S is an email worm for the Windows platform.
When first run W32/Dref-S copies itself to <System>\nordsys.exe and
creates the file <current folder>\<7 random characters>.exe. This
dropped file is detected as Troj/Dloadr-AQQ.
The following registry entries are created to run nordsys.exe on
startup:
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Nord
<System>\nordsys.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Nord
<System>\nordsys.exe
W32/Dref-S harvests email addresses from the infected computer and
attempts to send itself to them. W32/Dref-S tries to send itself in
an email with characters obtained from www.cnn.com, but failing that
it will use the following characteristics:
Subject line (one of the following):
URGENT NEWS!
ATTN
NEWS!
Incredible news!
READ AND RESEND ASAP!
ATTN TO EVERYBODY!
URG
White house news!
Attachment filename (one of the following):
read me.exe
CNN latest news.exe
CNN news reader.exe
cnn.exe
news reader.exe
cnn site explorer.exe
WWW-CNN-COM.exe
news agent.exe
webnews agent.exe
cnn agent.exe
Message text (one of the following):
Read more in attach...
Read more in attached file...
Full news in attached file
Full news in attach
Open file to get complete news.
Full news included in attached file
For read this news open file
W32/Dref-S attempts to terminate windows and processes related to
anti-virus and security applications.
W32/Dref-S sets the following registry entry, disabling the automatic
startup of other software:
HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess
Start
4
Note: disabling autostart for the SharedAccess service deactivates
the Microsoft Internet Connection Firewall (ICF).
Name Troj/FakeAle-AH
Type
* Trojan
Affected operating systems
* Windows
Side effects
* Turns off anti-virus applications
* Downloads code from the internet
* Installs itself in the Registry
* Displays pop-up advertising
* Modifies browser settings
Aliases
* Packed.Win32.Tibs
* BraveSentry
* Win32/Nuwar.I
* TROJ_FAKEALRT.AG
Prevalence (1-5) 2
Description
Troj/FakeAle-AH is a Trojan for the Windows platform.
Troj/FakeAle-AH includes functionality to access the internet and
communicate with a remote server via HTTP.
The Trojan displays fake spyware alerts for trying to lure the user
into installing software from a remote location.
Troj/FakeAle-AH watches for genuine security alert messages and
dismisses them immediately in order to prevent the user from seeing
them.
Troj/FakeAle-AH may attempt to change the infected computer's Desktop
wallpaper.
Advanced
Troj/FakeAle-AH is a Trojan for the Windows platform.
Troj/FakeAle-AH includes functionality to access the internet and
communicate with a remote server via HTTP.
The Trojan displays fake spyware alerts for trying to lure the user
into installing software from a remote location.
Troj/FakeAle-AH watches for genuine security alert messages and
dismisses them immediately in order to prevent the user from seeing
them.
When first run Troj/FakeAle-AH copies itself to <Windows>\xpupdate.exe.
The following registry entries are created to run Troj/FakeAle-AH on
startup:
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Windows update loader
<Windows>\xpupdate.exe
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
con
<pathname of the Trojan executable>
Troj/FakeAle-AH attempts to download a file from a remote website to
the file <User>\Application Data\Install.dat.
Troj/FakeAle-AH may attempt to set various registry entries to change
the infected computer's Desktop wallpaper.
Name Troj/Starbot-E
Type
* Trojan
Affected operating systems
* Windows
Side effects
* Drops more malware
Prevalence (1-5) 2
Description
Troj/Starbot-E is an IRC backdoor Trojan for the Windows platform.
The Trojan allows a remote attacker to control the infected computer
via IRC channels.
The Trojan includes functionality to drop and run further
executables, including Troj/HacDef-J, Troj/RKFu-B, a legitimate FTP
server application and the PWDump cracking tool.
Name Troj/DwnLdr-FXO
Type
* Trojan
Affected operating systems
* Windows
Side effects
* Downloads code from the internet
Aliases
* Trojan-Downloader.Win32.Donn.ae
Prevalence (1-5) 2
Description
Troj/DwnLdr-FXO is a downloader Trojan for the Windows platform.
The Trojan includes functionality to access the internet and
communicate with a remote server via HTTP.
Name W32/Bagle-QW
Type
* Worm
How it spreads
* Email attachments
Affected operating systems
* Windows
Side effects
* Sends itself to email addresses found on the infected computer
* Forges the sender's email address
* Uses its own emailing engine
* Downloads code from the internet
* Installs itself in the Registry
Aliases
* Email-Worm.Win32.Bagle.gt
* Win32/Bagle.HE
Prevalence (1-5) 2
Description
W32/Bagle-QW is a worm for the Windows platform.
W32/Bagle-QW spreads via email within a ZIP file.
W32/Bagle-QW includes functionality to access the internet and
communicate with a remote server via HTTP.
Advanced
W32/Bagle-QW is a worm for the Windows platform.
W32/Bagle-QW spreads via email within a ZIP file.
W32/Bagle-QW includes functionality to access the internet and
communicate with a remote server via HTTP.
When first run W32/Bagle-QW copies itself to:
<User>\Application Data\hidn\hidn2.exe
<User>\Application Data\hidn\hldrrr.exe
and creates the following files:
\error.txt - harmless file
\temp.zip - also detected as W32/Bagle-QW
The following registry entry is created to run hidn2.exe on startup:
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
drv_st_key
<User>\Application Data\hidn\hidn2.exe
W32/Bagle-QW sets the following registry entries, disabling the
automatic startup of other software:
HKLM\SYSTEM\CurrentControlSet\Services\wuauserv
Start
4
Registry entries are created under:
HKCU\Software\FirstRun
Emails sent by the worm have the following characteristics:
Subject line chosen from:
new <date>
price<date>
price_ <date>
price_new <date>
The message text may be empty.
The attached file is named:
new_price<date>.zip
price_list<date>.zip
latest_price<date>.zip
<date> is the date the email was sent in the following format
12-Dec-2006.
Name W32/Bagle-QX
Type
* Worm
How it spreads
* Email attachments
Affected operating systems
* Windows
Side effects
* Sends itself to email addresses found on the infected computer
* Forges the sender's email address
* Uses its own emailing engine
* Downloads code from the internet
Aliases
* Win32/Bagle.HD
* WORM_BAGLE.IZ
Prevalence (1-5) 2
Description
W32/Bagle-QX is a worm for the Windows platform.
W32/Bagle-QX spreads via email within a ZIP file.
Advanced
W32/Bagle-QX is a worm for the Windows platform.
W32/Bagle-QX spreads via email within a ZIP file.
W32/Bagle-QX includes functionality to access the internet and
communicate with a remote server via HTTP.
When first run W32/Bagle-QX copies itself to:
<User>\Application Data\hidn\hidn2.exe
<User>\Application Data\hidn\hldrrr.exe
and creates the following files:
\error.txt - harmless file
W32/Bagle-QX sets the following registry entries, disabling the
automatic startup of other software:
HKLM\SYSTEM\CurrentControlSet\Services\wuauserv
Start
4
Registry entries are created under:
HKCU\Software\FirstRun
Emails sent by the worm have the following characteristics:
Subject line chosen from:
new <date>
price<date>
price_ <date>
price_new <date>
The message text may be empty.
The attached file is named:
new_price<date>.zip
price<date>.zip
latest_price<date>.zip
<date> is the date the email was sent in the following format
12-Dec-2006.
Name W32/Stration-CJ
Type
* Worm
Affected operating systems
* Windows
Side effects
* Turns off anti-virus applications
* Installs itself in the Registry
* Dropped by malware
Aliases
* Email-Worm.Win32.Warezov.dq
Prevalence (1-5) 2
Description
W32/Stration-CJ is a component of the Stration family of worms for
the Windows platform.
Advanced
W32/Stration-CJ is a component of the Stration family of worms for
the Windows platform.
When run the worm will create the following registry entries:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
audiag
<PathToTrojan>\<TrojanName>
HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows
AppInit_DLLs
confaud.dll audstat.dll
W32/Stration-CJ may attempt to terminate various Anti-Virus and
security applications.
Name Troj/NTRootK-BA
Type
* Trojan
Affected operating systems
* Windows
Side effects
* Modifies data on the computer
Prevalence (1-5) 2
Description
Troj/NTRootK-BA is a rootkit for the Windows platform that also sets
the internet explorer startpage.
Name W32/Pardona-D
Type
* Virus
How it spreads
* Network shares
* Infected files
Affected operating systems
* Windows
Side effects
* Drops more malware
* Downloads code from the internet
* Installs itself in the Registry
* Leaves non-infected files on computer
Aliases
* TROJ_AGENT.MJZ
Prevalence (1-5) 2
Description
W32/Pardona-D is a virus for the Windows platform.
The virus attempts to infect EXE files, and to modify HTM and ASP
files so that they silently download from a remote webiste. Modified
files are detected as Troj/Psyme-DO.
W32/Pardona-D may spread to other network computers and may also
spread via email.
W32/Pardona-D also includes functionality to download, install and
run new software.
Advanced
W32/Pardona-D is a virus for the Windows platform.
The virus attempts to infect EXE files, and to modify HTM and ASP
files so that they silently download from a remote webiste. Modified
files are detected as Troj/Psyme-DO.
W32/Pardona-D may spread to other network computers and may also
spread via email.
W32/Pardona-D also includes functionality to download, install and
run new software.
When first run W32/Pardona-D copies itself to:
<Windows>\cmd.com
<Windows>\net.com
<Windows>\regedit.com
<System>\ePower.exe
and to several files of the form:
<Temp>\
Each of these files is either identical to, or slight variants of,
the original file. All will be detected as W32/Pardona-D.
The virus also creates the file C:\WINDOWS\System32\.sys
This SYS file is registered as a new system driver service named
"SysDrver", with a display name of "System SSDP Services".
Registry entries are created under:
HKLM\SYSTEM\CurrentControlSet\Services\SysDrver\
The SYS file, which is detected as Troj/Pardot-B, uses stealth
functionality to hide processes creates by W32/Pardona-D.
The virus attempts to download and execute files to the following
location:
C:\tool.exe
Registry entries are created under:
HKCR\.key
Name W32/Looked-BF
Type
* Virus
How it spreads
* Network shares
* Infected files
Affected operating systems
* Windows
Side effects
* Modifies data on the computer
* Downloads code from the internet
* Installs itself in the Registry
* Leaves non-infected files on computer
Prevalence (1-5) 2
Description
W32/Looked-BF is a Windows executable virus and network worm.
Advanced
W32/Looked-BF is a Windows executable virus and network worm.
When run the virus copies itself to <Windows>\uninstall\rundl132.exe
and creates the file <Windows>\RichDll.dll. The file RichDll.dll is
detected as W32/Looked-BF.
The virus infects EXE files found on the infected computer. The virus
also attempts to copy itself to remote network shares.
Many files with the name "_desktop.ini" are created, in various
folders on the infected computer. These files are harmless text files.
The following registry entry is created to run rundl132.exe on startup:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
load
<Windows>\uninstall\rundl132.exe
Name Troj/Agent-DWM
Type
* Trojan
Affected operating systems
* Windows
Side effects
* Downloads code from the internet
Prevalence (1-5) 2
Description
Troj/Agent-DWM is a Trojan for the Windows platform.
The Trojan includes functionality to access the internet and
communicate with a remote server via HTTP.
Troj/Agent-DWM also attempts to send commands to circumvent the
Windows Firewall to allow the Trojan to spam.
Name W32/Bagle-QY
Type
* Worm
How it spreads
* Email messages
* Email attachments
Affected operating systems
* Windows
Side effects
* Sends itself to email addresses found on the infected computer
* Drops more malware
* Uses its own emailing engine
* Installs itself in the Registry
Aliases
* Email-Worm.Win32.Bagle.gm
* W32/Bagle.fd@MM
* WORM_BAGLE.FF
Prevalence (1-5) 2
Description
W32/Bagle-QY is an email worm which sends itself via its own SMTP
engine to
addresses harvested from your hard disk.
The W32/Bagle-QY variant is infected with the virus W32/Virut-A.
W32/Bagle-QY may arrive in emails in a password protected ZIP file
attached to the email. The password is a generally a 6-digit number
randomly generated by the worm and included in the email.
Advanced
W32/Bagle-QY is an email worm which sends itself via its own SMTP
engine to
addresses harvested from your hard disk.
The W32/Bagle-QY variant is infected with the virus <a
href="/virusinfo/analyses/w32viruta.html">W32/Virut-A</a>.
W32/Bagle-QY may arrive in emails in a password protected ZIP file
attached to the email. The password is a generally a 6-digit number
randomly generated by the worm and included in the email.
Emails have the following characteristsics:
Subject line: <Random name of a person>
Message text chosen from:
To the beloved
I love you
Attachment filename: <Random name of a person>
When first run, W32/Bagle-QY displays an image with the message
"Error" and copies itself to the following location:
<Current user>\Application Data\hidn\hidn2.exe
and drops a file named m_hook.sys to the same location.
The following registry entry is created in order to automatically
start W32/Bagle-QY when an infected computer starts:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
drv_st_key
<Path to worm>
The file m_hook.sys is a device driver used to hide the worm on an
infected computer, and also attempt to terminate any security
programs running on the system.
The file m_hook.sys is detected as W32/Bagle-KJ.
m_hook.sys is registered as a service, creating entries under:
HKLM\SYSTEM\CurrentControlSet\Services\m_hook
W32/Bagle-QY deletes the following registry entries, affecting the
safe-mode boot configurations:
HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot\AlternateShell
HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot\Network
Name Troj/MMThief-S
Type
* Spyware Trojan
Affected operating systems
* Windows
Side effects
* Steals information
* Downloads code from the internet
Aliases
* Trojan-PSW.Win32.Small.br
* TSPY_SMALL.DVA
Prevalence (1-5) 2
Description
Troj/MMThief-S is a Trojan for the Windows platform.
Advanced
Troj/MMThief-S is a Trojan for the Windows platform.
When first run Troj/MMThief-S creates the following files:
<Common Files>\Microsoft Shared\msinfo\<random>.dll
<System>\<random>.dll
<System>\<random>.log
All three files are detected as Troj/MMThief-S.
The file <random>.log is registered as a COM object and ShellExecute
hook, creating registry entries under:
HKCR\CLSID\(B6B43646-A6FF-11E0-9A84-00C04FD8DBD8)
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\
ShellExecuteHooks
Registry entries are set as follows:
HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
Hidden
2
HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
HideFileExt
1
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder
\Hidden\SHOWALL
ValueName
Hidden
Troj/MMThief-S may attempt to delete the file npkcrypt.sys.
Name W32/Sdbot-CWA
Type
* Worm
How it spreads
* Network shares
Affected operating systems
* Windows
Side effects
* Turns off anti-virus applications
* Allows others to access the computer
* Modifies data on the computer
* Downloads code from the internet
* Reduces system security
* Installs itself in the Registry
* Used in DOS attacks
* Scans network for vulnerabilities
* Scans network for weak passwords
* Scans network for open ports
Aliases
* Backdoor.Win32.SdBot.bbj
Prevalence (1-5) 2
Description
W32/Sdbot-CWA is a worm with IRC backdoor functionality for the
Windows platform.
W32/Sdbot-CWA runs continuously in the background, providing a
backdoor server which allows a remote intruder to gain access and
control over the computer via IRC channels.
Advanced
W32/Sdbot-CWA is a worm with IRC backdoor functionality for the
Windows platform.
W32/Sdbot-CWA runs continuously in the background, providing a
backdoor server which allows a remote intruder to gain access and
control over the computer via IRC channels.
When first run W32/Sdbot-CWA copies itself to <Windows>\webmsn.exe.
The file webmsn.exe is registered as a new system driver service
named "Web Live Information Messenger", with a display name of "Web
Live Information Messenger" and a startup type of automatic, so that
it is started automatically during system startup. Registry entries
are created under:
HKLM\SYSTEM\CurrentControlSet\Services\Web Live Information Messenger
W32/Sdbot-CWA sets the following registry entries, disabling the
automatic startup of other software:
HKLM\SYSTEM\CurrentControlSet\Services\Messenger
Start
4
HKLM\SYSTEM\CurrentControlSet\Services\RemoteRegistry
Start
4
HKLM\SYSTEM\CurrentControlSet\Services\TlntSvr
Start
4
Registry entries are set as follows:
HKLM\SOFTWARE\Policies\Microsoft\WindowsFirewall\DomainProfile
EnableFirewall
0
HKLM\SOFTWARE\Policies\Microsoft\WindowsFirewall\StandardProfile
EnableFirewall
0
HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate
DoNotAllowXPSP2
1
HKLM\SOFTWARE\Microsoft\Ole
EnableDCOM
N
Registry entries are created under:
HKLM\SOFTWARE\Microsoft\Security Center
Name Troj/Clicker-EA
Type
* Trojan
Affected operating systems
* Windows
Side effects
* Installs itself in the Registry
* Installs a browser helper object
Prevalence (1-5) 2
Description
Troj/Clicker-EA is a Trojan for the Windows platform.
The Troj/Clicker-EA DLL is registered as a COM object and Browser
Helper Object.
Advanced
Troj/Clicker-EA is a Trojan for the Windows platform.
The Troj/Clicker-EA DLL is registered as a COM object and Browser
Helper Object
(BHO) for Microsoft Internet Explorer, creating registry entries under:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper
Objects\(8A5849C4-93F3-429D-FF34-660A2068897C)
HKCR\CLSID\(8A5849C4-93F3-429D-FF34-660A2068897C)
The following registry entry is created to run code exported by OpenGL
additional on startup:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\SharedTaskSched
uler
(8A5849C4-93F3-429D-FF34-660A2068897C)
OpenGL additional
Name Troj/Small-DNT
Type
* Trojan
Affected operating systems
* Windows
Side effects
* Drops more malware
* Installs itself in the Registry
Prevalence (1-5) 2
Description
Troj/Small-DNT is a Trojan for the Windows platform.
Troj/Small-DNT includes functionality to access the internet and
communicate with a remote server via HTTP.
Troj/Small-DNT includes functionality to download, install and run
new software.
Advanced
Troj/Small-DNT is a Trojan for the Windows platform.
Troj/Small-DNT includes functionality to access the internet and
communicate with a remote server via HTTP.
Troj/Small-DNT includes functionality to download, install and run
new software.
When first run Troj/Small-DNT copies itself to
<Windows>\service32.exe and creates the file <Windows>\iexplore32.dll.
The Trojan uses stealth techniques in order to hide files and
processes.
This file iexplore32.dll is detected as Troj/Small-CPW.
The following registry entry is created to run service32.exe when
Windows Explorer is started:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run
1
<Windows>\service32.exe
Name W32/Poebot-JT
Type
* Worm
How it spreads
* Network shares
Affected operating systems
* Windows
Side effects
* Allows others to access the computer
* Installs itself in the Registry
Aliases
* Backdoor.Win32.IRCBot.ul
* W32/Backdoor.NYG
* W32/Gaobot.worm.gen.e
* Win32/IRCBot.TS
Prevalence (1-5) 2
Description
W32/Poebot-JT is a worm and IRC backdoor for the Windows platform.
W32/Poebot-JT runs continuously in the background, providing a
backdoor server which allows a remote intruder to gain access and
control over the computer via IRC channels.
Advanced
W32/Poebot-JT is a worm and IRC backdoor for the Windows platform.
W32/Poebot-JT runs continuously in the background, providing a
backdoor server which allows a remote intruder to gain access and
control over the computer via IRC channels.
When first run W32/Poebot-JT copies itself to <System>\explorer.exe.
The following registry entry is created to run W32/Poebot-JT on
startup:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Windows Explorer
<System>\explorer.exe
Name W32/Mytob-JN
Type
* Worm
How it spreads
* Email messages
Affected operating systems
* Windows
Side effects
* Allows others to access the computer
* Sends itself to email addresses found on the infected computer
* Forges the sender's email address
* Uses its own emailing engine
* Downloads code from the internet
* Installs itself in the Registry
Prevalence (1-5) 2
Description
W32/Mytob-JN is an email worm for the Windows platform which also
includes backdoor functionality.
W32/Mytob-JN harvests email addresses from the infected computer and
sends messages with the following characteristics:
From: abuse@<recipient's domain>
Subject: Account Alert
Message text:
Dear Valued Member,
According to our terms of services, you will have to confirm your
e-mail by the following link, or your account will be suspended
within 24 hours for security reasons.
http://www.<recipient's domain>/confirm.php?account=<recipient's
email address>
After following the instructions in the sheet, your account will not
be interrupted and will continue as normal.
Thanks for your attention to this request. We apologize for any
inconvenience.
Sincerely, <recipient's domain> Abuse Department
The link in fact points to a copy of W32/Mytob-JN on a different
website.
W32/Mytob-JN runs continuously in the background, providing a
backdoor server which allows a remote intruder to gain access and
control over the computer via IRC channels, allowing them to perform
actions including downloading and executing further files.
Advanced
W32/Mytob-JN is an email worm for the Windows platform which also
includes backdoor functionality.
W32/Mytob-JN harvests email addresses from the infected computer and
sends messages with the following characteristics:
From: abuse@<recipient's domain>
Subject: Account Alert
Message text:
Dear Valued Member,
According to our terms of services, you will have to confirm your
e-mail by the following link, or your account will be suspended
within 24 hours for security reasons.
http://www.<recipient's domain>/confirm.php?account=<recipient's
email address>
After following the instructions in the sheet, your account will not
be interrupted and will continue as normal.
Thanks for your attention to this request. We apologize for any
inconvenience.
Sincerely, <recipient's domain> Abuse Department
The link in fact points to a copy of W32/Mytob-JN on a different
website.
W32/Mytob-JN runs continuously in the background, providing a
backdoor server which allows a remote intruder to gain access and
control over the computer via IRC channels, allowing them to perform
actions including downloading and executing further files.
When first run W32/Mytob-JN copies itself to
<System>\kernel_runtime.exe.
The following registry entries are created to run kernel_runtime.exe
on startup:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
KernelRuntime
kernel_runtime.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
KernelRuntime
kernel_runtime.exe
--- MultiMail/Win32 v0.43
* Origin: Try Our Web Based QWK: DOCSPLACE.ORG (1:123/140)
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