JS_RUNSCRIPT.L


 ALIASES:

Trojan.JS.Runscript.i (Kaspersky), VBS/RunScript.gen1 (McAfee), Trojan Horse (Symantec), Troj/RunScriptI (Sophos),

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: Yes

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

It deletes files in certain drives.

It displays message boxes.

This Trojan may be unknowingly downloaded by a user while visiting malicious websites. It may be hosted on a website and run when a user accesses the said website.

  TECHNICAL DETAILS

File Size:

193 bytes

File Type:

Script

Memory Resident:

No

Payload:

Deletes files

Arrival Details

This Trojan may be unknowingly downloaded by a user while visiting malicious websites.

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

Other Details

This Trojan displays the following message boxes:

IMPORTANT : I HATE U.

NOTES:
It deletes all files in the following drives:

  • C:\
  • D:\
  • E:\

  SOLUTION

Minimum Scan Engine:

8.900

Step 1

For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

Scan your computer with your Trend Micro product to delete files detected as JS_RUNSCRIPT.L. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.

Step 3

Restore files from backup Only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on your computer again.


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