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Author Topic: Trojan Downloader.VBS.Agent.n  (Read 2556 times)

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Samker

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Trojan Downloader.VBS.Agent.n
« on: 12. September 2007., 07:51:24 »
Malware type: VBScript

Aliases: Trojan-Downloader.VBS.Agent.n, Downloader, VBS/Dldr.Agent.RE.1, VBS/DownLdr-A, TrojanDownloader:VBS/Agent.B

In the wild: Yes

Destructive: No

Language: English

Platform: Windows 98, ME, NT, 2000, XP, Server 2003

Encrypted: No      
Overall risk rating:      Low


Reported infections:      Low

Damage potential:      Medium

Distribution potential:      Low



Description:

This malicious Visual Basic Script (VBS) usually arrives on a system as a file downloaded from the Internet by unsuspecting users when visiting malicious Web sites. It may also arrive as a file dropped or downloaded by other malware.

Upon execution, it connects to the following URL to download a malicious file detected by Trend Micro as TROJ_AGENT.OFB:
http://216.95.{BLOCKED}.22/tool/package.exe?affid=477

The said file is saved in the Temporary folder with the file name SVCIPA.EXE. This VB Script also executes the downloaded file.

As a result of this, the behavior of the downloaded Trojan may be observed on the affected system.


Solution:

Important Windows ME/XP Cleaning Instructions

Users running Windows ME and XP must disable System Restore to allow full scanning of infected computers.

Users running other Windows versions can proceed with the succeeding solution set(s).

Running Trend Micro Antivirus

If you are currently running in safe mode, please restart your computer normally before performing the following solution.

Scan & Clean your computer with HouseCall, the Trend Micro online virus scanner (red buton at SCforum.info, up-right).


Details:

This malicious Visual Basic Script (VBS) usually arrives on a system as a file downloaded from the Internet by unsuspecting users when visiting malicious Web sites. It may also arrive as a file dropped or downloaded by other malware.

Upon execution, it connects to the following URL to download a malicious file detected by Trend Micro as TROJ_AGENT.OFB:
http://216.95.{BLOCKED}.22/tool/package.exe?affid=477

The said file is saved in the Temporary folder with the file name SVCIPA.EXE. This VB Script also executes the downloaded file.

As a result of this, the behavior of the downloaded Trojan may be observed on the affected system.

This malicious script runs on Windows 98, ME, NT, 2000, XP, and Server 2003.


For all other question, post a new topic with your problem at our "PC Help Center": http://scforum.info/index.php/board,16.0.html


Samker's Computer Forum - SCforum.info

Trojan Downloader.VBS.Agent.n
« on: 12. September 2007., 07:51:24 »




 

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