Need help? Ask the community or hire an expert.
Go to Avira Answers
Virus:TR/Dldr.Agent.cwyl
Date discovered:06/12/2009
Type:Trojan
Subtype:Downloader
In the wild:Yes
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Low to medium
Static file:Yes
File size:119.296 Bytes
MD5 checksum:30c926441f9bd408170b01bea88d907b
IVDF version:7.10.01.171 - Sunday, December 6, 2009

 General Aliases:
   •  Sophos: Troj/Agent-MFU
   •  Panda: Trj/BHO.GU
   •  Eset: Win32/BHOLock.I
   •  Bitdefender: Trojan.Dropper.Agent.UUQ


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


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

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



The following file is created:

%SYSDIR%\Corpor.dll Further investigation pointed out that this file is malware, too. Detected as: TR/Dldr.Agent.cwyk.1




It tries to download a file:

The location is the following:
   • http://admin.bbexe.cn/ie/**********

 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 Wednesday, March 31, 2010
Description updated by Petre Galan on Wednesday, March 31, 2010

Back . . . .