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Date discovered:15/02/2010
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:61.952 Bytes
MD5 checksum:e812620d524fc713f2cee7722c128ef6
IVDF version:

 General Aliases:
   •  Mcafee: Generic BackDoor
   •  Sophos: Troj/Agent-MML
   •  Panda: W32/IRCbot.CWO
   •  Eset: Win32/IRCBot.NBC
   •  Bitdefender: IRC-Worm.Generic.9865

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

Side effects:
   • Downloads a malicious file
   • Drops malicious files

 Files It copies itself to the following locations:
   • %SYSDIR%\alrsvcp.exe
   • %SYSDIR%\adsmsextj.exe
   • %SYSDIR%\adsntl.exe

It deletes the initially executed copy of itself.

It deletes the following file:
   • %SYSDIR%\1033l.exe

The following files are created:


It tries to download a file:

– The locations are the following:

It tries to executes the following file:

– Filename:
   • svchost.exe "%SYSDIR%\alrsvcp.exe"

 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 Thursday, June 17, 2010
Description updated by Andrei Ivanes on Friday, June 18, 2010

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