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Virus Profile: Generic BackDoor!2A1B0CC6F239

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 5/11/2013
Date Added: 5/11/2013
Origin: Unknown
Length: 81017
Type: Trojan
Subtype: -
DAT Required: 7071
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

This is a Trojan

File PropertiesProperty Values
McAfee DetectionGeneric BackDoor
Length81017 bytes
MD52a1b0cc6f23966853eab61cf64de0077
SHA1f51490cad723b73e0a02f8a026d8406d1229887a


Other Common Detection Aliases

Company NamesDetection Names
ahnlabWin-Trojan/Xema.variant
avastWin32:Trojan-gen
AVG (GriSoft)BackDoor.Generic14.FHK (Trojan horse)
aviraWORM/Rbot.Gen
KasperskyBackdoor.Win32.Delf.ars
BitDefenderBackdoor.Delf.ARS
clamavTrojan.IRCBot-4299
Dr.WebBackDoor.IRC.Sdbot.16412
F-ProtW32/HLL-SysDlrSharer!Eldorado
FortiNetW32/Cosmu.OSG!tr
Microsoftbackdoor:win32/delf.du
SymantecBackdoor.Trojan
EsetWin32/IRCBot.NEU trojan
normanDelf.JXD
pandaBck/Delf.AAQ
risingBackdoor.Delf.uow
SophosTroj/ZXC-P
Trend Microbkdr_mydoom.smm
vba32Backdoor.Delf
V-BusterBackdoor.Delf!FIx62CrXo3E (trojan)
Vet (Computer Associates)Win32/Bosbot!generic

Other brands and names may be claimed as the property of others.


ActivitiesRisk Levels
Attempts to connect to an IRC server. Can be used by bots to get instructions or send data to a remote server.Medium
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaGeneric BackDoor
McAfee SupportedGeneric BackDoor



System Changes

Some path values have been replaced with environment variables as the exact location may vary with different configurations.
e.g.
%WINDIR% = \WINDOWS (Windows 9x/ME/XP/Vista/7), \WINNT (Windows NT/2000)
%PROGRAMFILES% = \Program Files


The following files were analyzed:

F51490CAD723B73E0A02F8A026D8406D1229887A

The following files have been added to the system:

  • %WINDIR%\win32dc\Sims 2(hack).exe
  • %WINDIR%\win32dc\Doom 3_cdfix.exe
  • %WINDIR%\win32dc\FlatOut(crack).exe
  • %WINDIR%\win32dc\Quake3_hack.exe
  • %WINDIR%\win32dc\Counter-Strike hack.exe
  • %WINDIR%\win32dc\DAoC crack.exe
  • %WINDIR%\win32dc\FlatOut(serial).exe
  • %WINDIR%\win32dc\Half-Life 2_crack.exe
  • %WINDIR%\win32dc\Half-Life 2_patch.exe
  • %WINDIR%\win32dc\Doom 3 cheat.exe

The applications attempted the following network connection(s):

  • 208.83.20.***:6667 (irc) : USER xtrmasterag xtrmasterag@[Domain Removed] "win2k" :mydomgwzludqvfpjeaoey NICK MYDOMGWZLUdQVfPJeAoey

   

All Users:

Please use the following instructions for all supported versions of Windows to remove threats and other potential risks:

1.Disable System Restore .

2.Update to current engine and DAT files for detection and removal.

3.Run a complete system scan.

Modifications made to the system Registry and/or INI files for the purposes of hooking system startup, will be successfully removed if cleaning with the recommended engine and DAT combination (or higher).

1. Please go to the Microsoft Recovery Console and restore a clean MBR.

On windows XP:

Insert the Windows XP CD into the CD-ROM drive and restart the computer.
When the "Welcome to Setup" screen appears, press R to start the Recovery Console.
Select the Windows installation that is compromised and provide the administrator password
Issue 'fixmbr' command to restore the Master Boot Record
Follow onscreen instructions
Reset and remove the CD from CD-ROM drive.


On Windows Vista and 7:

Insert the Windows CD into the CD-ROM drive and restart the computer.
Click on "Repair Your Computer"
When the System Recovery Options dialog comes up, choose the Command Prompt.
Issue 'bootrec /fixmbr' command to restore the Master Boot Record
Follow onscreen instructions
Reset and remove the CD from CD-ROM drive.