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JS_PSYME.AJW

October 08, 2012
 ALIASES:

TrojanDownloader:HTML/Adodb.gen!A (Microsoft), Trojan-Downloader.JS.Psyme.kf (Kaspersky), Trojan-Downloader.JS.Psyme.kf (Sunbelt), JS/Psyme.KF!exploit (Fortinet), JS/Psyme.EP (FProt), JS/TrojanDownloader.Psyme.KF trojan (Nod32), JS/Dldr.Agent.ZY (AntiVir), JS/Psyme.NQ (AVG), JS/Psyme.EP (Authentium), Trojan-Downloader.JS.Psyme.kf (Ikarus), Trojan VBS/Psyme.BM (Norman), JS/Psyme.KF (Quickheal)

 PLATFORM:

Windows 2000, XP, Server 2003

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

This Trojan may be hosted on a website and run when a user accesses the said website.

It executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system. As of this writing, the said sites are inaccessible.

  TECHNICAL DETAILS

File Size:

1,565 bytes

File Type:

HTML, HTM

Memory Resident:

No

Initial Samples Received Date:

21 May 2008

Payload:

Downloads files

Arrival Details

This Trojan may be hosted on a website and run when a user accesses the said website.

Download Routine

This Trojan accesses the following websites to download files:

  • http://www.{BLOCKED}torfy.com/holy_immortals/tals/ff11.exe

It saves the files it downloads using the following names:

  • %Windows%\~Temp{random number}.tmp

(Note: %Windows% is the Windows folder, which is usually C:\Windows or C:\WINNT.)

It then executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.

As of this writing, the said sites are inaccessible.

  SOLUTION

Minimum Scan Engine:

8.900

FIRST VSAPI PATTERN FILE:

5.288.06

FIRST VSAPI PATTERN DATE:

21 May 2008

VSAPI OPR PATTERN File:

5.289.00

VSAPI OPR PATTERN Date:

21 May 2008

NOTES:

Trend customers:

    Keep your pattern and scan engine files updated. Trend Micro antivirus software can clean or remove most types of computer threats. Malware, though, such as Trojans, scripts, overwriting viruses and joke programs which are identified as uncleanable, should simply be deleted.

All Internet users:

  • Use HouseCall - the Trend Micro online threat scanner to check for malware that may already be on your PC.
  • Catch malware/grayware before they affect your PC or network. Secure your Web world with Trend Micro products that offer the best anti-threat and content security solutions for home users, corporate users, and ISPs. Go here for more information on Trend Micro products that fit your needs.


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