Sophos

JS/Veruka-A

Category
Type
What to do
Prevalence low high

Summary

 
How it spreads
  • Email attachments
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Protection available since 9 December 2004 05:01:16 (GMT)
Detected by All Sophos products
  • Endpoint Security and Control 9.0
  • Small business solutions 4.0

Action

More Information

JS/Veruka-A is a JavaScript email and IRC worm.

JS/Veruka-A sends itself to email addresses found in Outlook address books.

JS/Veruka-A copies itself into the folders of any IRC clients found on the computer and creates initialisation files to send itself via the IRC network.

JS/Veruka-A deletes any BAT, LNK, PIF, CMD, HTM and VBS files it finds on the computer and replaces them with a simple command to run itself.

JS/Veruka-A creates copies of itself in the Windows folder and attempts to create the following registry entry to run itself automatically on log-on:

HKLM\Software\Microsoft\Windows\CurrentVersion\Run
stmha
jilkx\wkfxi.js

JS/Veruka-A sends itself as an attachment to the following email message:

Subject:

[Warning]: Symantec Security Response E-mail Worm Warning

Message Body:

Dear Sir/Madam,We received few reports about a new e-mail worm.
The worm detected as W32.Holyshit.A@mm.
The attachment is the update for this worm.Please run it to update your
AntiVirus.

Attachment name:

Update.js

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