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Date discovered:18/03/2009
Type:Backdoor Server
In the wild:Yes
Reported Infections:Low to medium
Distribution Potential:Low to medium
Damage Potential:Low to medium
Static file:Yes
File size:48.128 Bytes
MD5 checksum:c07f0c718782f826bdfb0390e76279f1
IVDF version:

 General Aliases:
   •  Mcafee: W32/Spybot.worm.gen virus
   •  Sophos: Mal/WaledPak-A
   •  Panda: W32/Iksmas.F.worm
   •  Eset: Win32/IRCBot
   •  Bitdefender: Trojan.Waledac.DB

Platforms / OS:
   • Windows 2000
   • Windows XP
   • Windows 2003

Side effects:
   • Downloads malicious files
   • Drops malicious files
   • Registry modification

 Files It copies itself to the following location:
   • %SYSDIR%\1042m.exe

It tries to download some files:

– The locations are the following:
Further investigation pointed out that this file is malware, too.

 Registry The following registry key is added in order to run the process after reboot:

– [HKLM\SYSTEM\CurrentControlSet\Services\W32TimeDot3svc]
   • "DisplayName"="Windows Time W32TimeDot3svc"
   • "ErrorControl"=dword:0x00000000
   • "ImagePath"="%SYSDIR%\1042m.exe srv"
   • "ObjectName"="LocalSystem"
   • "Start"=dword:0x00000002
   • "Type"=dword:0x00000110

 File details Runtime packer:
In order to aggravate detection and reduce size of the file it is packed with a runtime packer.

Description inserted by Petre Galan on Monday, November 16, 2009
Description updated by Petre Galan on Monday, November 16, 2009

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