Win32:Zlob-JN

 Win32:Zlob-JN is a Trojan horse that downloads other Zlob family trojans or other potentially unwanted applications.

Summary
Type Trojan
Aliases Trojan-Downloader.Win32.Zlob.aco, Trojan.Downloader.Zlob.ABN
VPS version 0632-0
Platform Windows
Infection length 36,352; 38,912; 39,424; 41,472; 51,712; 63,488 bytes
Mutation
Win32:Zlob-JO 40,960 bytes

Description

Win32:Zlob-JN or its mutation is included in the following installation packages:

  • intcodec-v6.107.exe
  • intcodec-v6.414.exe
  • intcodec-v6.556.exe
  • sv-codec-light-v1_04b.exe
  • sv-codec-v3.exe
  • sv-codec-v4_01a.exe
  • pornmagpass_ver1.107.exe
  • another name is possible

Win32:Zlob-JN or its mutation is placed in %Temp%\nst2.tmp\isecur.dll after launching the installation package. Win32:Zlob-JN or its mutation is used to download other Zlob family trojans or other potentiallly unwanted applications. The following folders are created during the installation process:

  • %ProgramFiles%\IntCodec
  • %ProgramFiles%\Media-Codec
  • %ProgramFiles%\PornMag Pass

All of these folders can be deleted.

Detection/Removal

avast! with VPS file 0632-0 or newer dated on or after 8th August 2006 is able to detect this trojan and its mutation.

Virus  windows viruses  Win32:Zlob-JN