Trojan.JS.KillMBR

Technical Details

This Trojan is an HTML file. It is 2,316 bytes in size.

Payload

When launching, the Trojan extracts the following file from its body to the root directory of the C: logical drive:

This file contains assembler commands which will clear the boot sector of the disk.

The Trojan then launches the following command from the command line:

command /c echo q   >>c:\repair.dbg

which will launch repair.dbg for execution.

Removal instructions

If your computer does not have an up-to-date antivirus, or does not have an antivirus solution at all, follow the instructions below to delete the malicious program:

1. Delete the original Trojan file (the location will depend on how the program originally penetrated the victim machine).
2. Delete the following file:

   Ñ:repair.dbg

3. Update your antivirus databases and perform a full scan of the computer (download a trial version of Kaspersky Anti-Virus).