JS_FEEBS.JM
Malware type: JavaScriptAliases: No Alias Found
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: High
Distribution potential: High
Malware Overview
This malicious JavaScript is usually embedded in a malicious Web site and is run on a system when a user visits the said Web site. It may also arrive on a system as an attachment to a mass-mailed email message.
Upon execution, it decodes and drops a file detected by Trend Micro as WORM_FEEBS.OV. As a result, routines of the related worm may be exhibited on the affected system.
It also displays a fake loading page that displays the following message:
Error while decrypting file
Solution:
(Note: Close all instances of Internet Explorer before proceeding with the solution below.)
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 your computer with Trend Micro antivirus and delete files detected as JS_FEEBS.JM and WORM_FEEBS.OV. To do this, Trend Micro customers must download the latest virus pattern file and scan their computer. Other Internet users can use HouseCall, the Trend Micro online virus scanner.
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