Virus Profile: W32/Duel!4adf7a3719c4

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 10/21/2009
Date Added: 10/21/2009
Origin: Unknown
Length: 17559
Type: Trojan
Subtype: -
DAT Required: 5778
Removal Instructions
   
 
 
   

Description

This is a Trojan detection. Unlike viruses, Trojans do not self-replicate. They are spread manually, often under the premise that they are beneficial or wanted. The most common installation methods involve system or security exploitation, and unsuspecting users manually executing unknown programs. Distribution channels include e-mail, malicious or hacked Web pages, Internet Relay Chat (IRC), peer-to-peer networks, etc.

Indication of Infection

This symptoms of this detection are the files, registry, and network communication referenced in the characteristics section.

Methods of Infection

Trojans do not self-replicate. They are spread manually, often under the premise that the executable is something beneficial. Distribution channels include IRC, peer-to-peer networks, newsgroup postings, e-mail, etc.

   

Virus Characteristics

File PropertyProperty Value
FileName!itw#11.exe
McAfee ArtemisArtemis!4adf7a3719c4
McAfee DetectionTibs-Packed
Length17,559 bytes
CRC8955ADD1
MD54ADF7A3719C485A4E482498874B6695F
SHA1C333FE30036768B6307326F49664454449B638EE

Other Common Detection Aliases

Company NameDetection Name
ahnlabWin-Trojan/SpamBot.17559
avastWin32:Tibs-ADP [Trj]
AVG (GriSoft)Downloader.Generic3.EIY
AviraTR/Small.DBY.J
BitDefenderWin32.Generic.494368
clamavTrojan.Downloader-388
Dr.WebWin32.Dref
eSafe (Alladin)Win32.Tibs.jy
EsetWin32/Nuwar.M
FortiNetW32/Tibs.JY!tr.dldr
F-ProtW32/Tibs.RA
KasperskyEmail-Worm.Win32.Luder.a
microsoftWorm:Win32/Nuwar.L@mm
normanw32/tibs.gen10
pandaW32/Nuwar.B.worm
risingTrojan.Agent.zzu
SophosW32/Dref-U
SymantecW32.Mixor.Q@mm
Trend MicroTROJ_MULP.P
vba32Trojan-Downloader.Win32.Revelation.Tibs.B
V-BusterTrojan.DL.Tibs.GV
Vet (Computer Associates)
Win32/Luder.I

Avert® Labs has observed the following system activities:

ActivityRisk Level
Enumerates open windows
Medium
Enumerates running processes
Medium
Reads user documents
Medium
Uses shared memory of other processes
Low
Writes executable in the windows folder
Low
Creates registry keys and data values to persist on OS reboot
Informational

Other detections that have been observed.

FileNameMcAfee Supported
c:\tools\pdump32\jswbuwtf.t
Tibs-Packed
%USERPROFILE%\local settings\temp\n4k0xw4.exe
Tibs

System Changes

These are general defaults for typical path variables. (Although they may differ, these examples are common.):
%WinDir% = \WINDOWS (Windows 9x/ME/XP/Vista), \WINNT (Windows NT/2000)
%SystemDir% = \WINDOWS\SYSTEM (Windows 98/ME), \WINDOWS\SYSTEM32 (Windows XP/Vista), \WINNT\SYSTEM32 (Windows NT/2000)
%ProgramFiles% = \Program Files

The following files were analyzed:

  • %USERPROFILE%\local settings\temp\!itw#11.exe

    • The following files have been added to the system:

  • %COMMONPROGRAMFILES%\microsoft shared\artgalry\gmxjxsfl.t
  • %COMMONPROGRAMFILES%\microsoft shared\artgalry\vrstinkf.t
  • %COMMONPROGRAMFILES%\microsoft shared\dw\gmxjxsfr.t
  • %COMMONPROGRAMFILES%\microsoft shared\dw\jswbuwlx.t
  • %COMMONPROGRAMFILES%\microsoft shared\msinfo\sltcljef.t
  • %COMMONPROGRAMFILES%\microsoft shared\web server extensions\40\bin\aaaaekwp.t
  • %COMMONPROGRAMFILES%\microsoft shared\web server extensions\40\bin\jswbuwpp.t
  • %COMMONPROGRAMFILES%\microsoft shared\web server extensions\40\bin\myvsrbrs.t
  • %COMMONPROGRAMFILES%\microsoft shared\web server extensions\40\isapi\pfukofcj.t
  • %COMMONPROGRAMFILES%\system\mapi\1033\nt\dgyrbodd.t
  • %COMMONPROGRAMFILES%\system\mapi\1033\nt\jswbuwpw.t
  • %COMMONPROGRAMFILES%\system\mapi\1033\nt\myvsrbvd.t
  • %COMMONPROGRAMFILES%\system\mapi\1033\nt\sltcljiw.t
  • %PROGRAMFILES%\messenger\dgyrbodk.t
  • %PROGRAMFILES%\microsoft frontpage\version3.0\bin\aaaaekwe.t
  • %PROGRAMFILES%\microsoft frontpage\version3.0\bin\pfukofcx.t
  • %PROGRAMFILES%\microsoft office\office\1033\myvsrbvy.t
  • %PROGRAMFILES%\microsoft office\office\1033\pfukofcf.t
  • %PROGRAMFILES%\microsoft office\office\1033\vrstinoy.t
  • %PROGRAMFILES%\microsoft office\office\aaaaekwa.t
  • %PROGRAMFILES%\microsoft office\office\aaaaekws.t
  • %PROGRAMFILES%\microsoft office\office\dgyrbodg.t
  • %PROGRAMFILES%\microsoft office\office\gmxjxsjp.t
  • %PROGRAMFILES%\microsoft office\office\jswbuwpa.t
  • %PROGRAMFILES%\microsoft office\office\jswbuwpq.t
  • %PROGRAMFILES%\microsoft office\office\myvsrbvl.t
  • %PROGRAMFILES%\microsoft office\office\pfukofcp.t
  • %PROGRAMFILES%\microsoft office\office\sltcljia.t
  • %PROGRAMFILES%\microsoft office\office\sltcljix.t
  • %PROGRAMFILES%\microsoft office\office\vrstinog.t
  • %PROGRAMFILES%\microsoft office\office\vrstinol.t
  • %PROGRAMFILES%\msn\msncorefiles\gmxjxsnw.t
  • %PROGRAMFILES%\msn\msncorefiles\myvsrbad.t
  • %PROGRAMFILES%\msn\msncorefiles\setup\dgyrbohy.t
  • %PROGRAMFILES%\msn\msncorefiles\sltcljme.t
  • %PROGRAMFILES%\msn\msncorefiles\sltcljmw.t
  • %PROGRAMFILES%\Windows nt\dgyrbohx.t
  • %PROGRAMFILES%\winrar\jswbuwtr.t
  • %PROGRAMFILES%\winrar\myvsrbaf.t
  • %PROGRAMFILES%\winrar\vrstinsf.t
  • %WINDIR%\$msi31uninstall_kb893803v2$\dgyrbolq.t
  • %WINDIR%\$msi31uninstall_kb893803v2$\spuninst\myvsrbea.t
  • %WINDIR%\assembly\nativeimages_v2.0.50727_32\dfsvc\9c3df441be703a4bbfcb68023d577b8d\sltcljys.t
  • %WINDIR%\microsoft.net\framework\aaaaekny.t
  • %WINDIR%\microsoft.net\framework\v1.1.4322\aaaaeknp.t
  • %WINDIR%\microsoft.net\framework\v1.1.4322\aaaaeknw.t
  • %WINDIR%\microsoft.net\framework\v1.1.4322\dgyrbota.t
  • %WINDIR%\microsoft.net\framework\v1.1.4322\dgyrbotd.t
  • %WINDIR%\microsoft.net\framework\v1.1.4322\dgyrbote.t
  • %WINDIR%\microsoft.net\framework\v1.1.4322\gmxjxsak.t
  • %WINDIR%\microsoft.net\framework\v1.1.4322\jswbuwgj.t
  • %WINDIR%\microsoft.net\framework\v1.1.4322\jswbuwgq.t
  • %WINDIR%\microsoft.net\framework\v1.1.4322\jswbuwgw.t
  • %WINDIR%\microsoft.net\framework\v1.1.4322\myvsrbmd.t
  • %WINDIR%\microsoft.net\framework\v1.1.4322\pfukofwq.t
  • %WINDIR%\microsoft.net\framework\v1.1.4322\sltcljyw.t
  • %WINDIR%\microsoft.net\framework\v1.1.4322\vrstinfd.t
  • %WINDIR%\microsoft.net\framework\v1.1.4322\vrstinfw.t
  • %WINDIR%\microsoft.net\framework\v2.0.50727\aaaaekrd.t
  • %WINDIR%\microsoft.net\framework\v2.0.50727\dgyrboxg.t
  • %WINDIR%\microsoft.net\framework\v2.0.50727\gmxjxsep.t
  • %WINDIR%\microsoft.net\framework\v2.0.50727\gmxjxses.t
  • %WINDIR%\microsoft.net\framework\v2.0.50727\jswbuwkd.t
  • %WINDIR%\microsoft.net\framework\v2.0.50727\jswbuwky.t
  • %WINDIR%\microsoft.net\framework\v2.0.50727\microsoft .net framework 2.0\sltcljdy.t
  • %WINDIR%\microsoft.net\framework\v2.0.50727\myvsrbqj.t
  • %WINDIR%\microsoft.net\framework\v2.0.50727\myvsrbqm.t
  • %WINDIR%\microsoft.net\framework\v2.0.50727\pfukofwp.t
  • %WINDIR%\microsoft.net\framework\v2.0.50727\pfukofws.t
  • %WINDIR%\microsoft.net\framework\v2.0.50727\sltcljda.t
  • %WINDIR%\microsoft.net\framework\v2.0.50727\sltcljdd.t
  • %WINDIR%\microsoft.net\framework\v2.0.50727\vrstinjj.t
  • %WINDIR%\microsoft.net\framework\v2.0.50727\vrstinjk.t
  • %WINDIR%\microsoft.net\framework\v2.0.50727\vrstinjm.t
  • %WINDIR%\system32\dgyrbogr.t
  • %WINDIR%\system32\dgyrboor.t
  • %WINDIR%\system32\dllcache\aaaaekim.t
  • %WINDIR%\system32\dllcache\jswbuwbm.t
  • %WINDIR%\system32\gmxjxsuj.t
  • %WINDIR%\system32\jswbuwbp.t
  • %WINDIR%\system32\myvsrbha.t
  • %WINDIR%\system32\pfukofnj.t
  • %WINDIR%\system32\pfukofnx.t
  • %WINDIR%\system32\ppl.exe
  • %WINDIR%\system32\sltcljtp.t
  • %WINDIR%\system32\urttemp\jswbuwbl.t
  • %WINDIR%\system32\vrstinar.t
  • c:\recycler\s-1-5-21-1202660629-602609370-839522115-500\sltcljmy.t
  • c:\scan\jswbuwty.t
  • c:\tools\dgyrbohp.t
  • c:\tools\dgyrbolj.t
  • c:\tools\jswbuwtj.t
  • c:\tools\jswbuwtm.t
  • c:\tools\myvsrbaw.t
  • c:\tools\myvsrbej.t
  • c:\tools\pdump32\bhrama\aaaaekbx.t
  • c:\tools\pdump32\bhrama\asm\sltcljmx.t
  • c:\tools\pdump32\jswbuwtf.t
  • c:\tools\pdump32\securom\dgyrbohs.t
  • c:\tools\pdump32\vbox42\sltcljmm.t
  • c:\tools\pfukofgk.t
  • c:\tools\pfukofkm.t
  • c:\tools\sltcljmg.t
  • c:\tools\sltcljqd.t
  • c:\tools\vrstinwr.t
  • c:\trace\aaaaekfd.t
  • c:\trace\jswbuwxd.t
  • c:\trace\pfukofkw.t

    • The following registry elements have been changed:

  • HKEY_CURRENT_USER\Software\Microsoft\Windows\currentversion\run\
    • agent = [binary data]
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\currentversion\run\
    • agent = [binary data]
  • HKEY_LOCAL_MACHINE\system\currentcontrolset\services\sharedaccess\
    • start = 4

    •    
    AVERT recommends to always use latest DATs and engine. This threat will be cleaned if you have this combination.

    Additional Windows ME/XP removal considerations