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Virus Name  : W32.Frethem.K@mm

Alias             : I-Worm.Frethem.L, W32/Frethem-L, WORM_FRETHEM.L

Virus type    : Internet worm

Threat level : Low

Virus details :

                     Frethem.K is a modified variant of Frethem mass mailing worm. It uses e-mail addresses stored in Windows Address book and collects addresses from .dbx, .wab, .mbx, .eml, and .mdb files to distribute infected messages.

Subject: Re: Your password!

You can access
very important
information by
this password

password to disk
use your mind

now press
<user name>

Attachments: Decrypt-password.exe and Password.txt

                     Frethem uses IFRAME vulnerability to infect. When the user views the e-mail the embedded code is executed automatically and it drops the virus. Microsoft released security patches to close this security hole. If you haven't installed, you can get a copy at

                     When the infected attachment is executed, the worm copies itself to Windows folder as taskbar.exe to load itself at next startup. The registry modification is given below.

Run\Task Bar=C:\Windows\Taskbar.exe

                     This worm is also known as I-Worm/Frethem.K, I-Worm.Frethem.L, W32/Frethem-L, W32.Frethem.K@mm, WORM_FRETHEM.K.

How can I protect my system?

                   Solo has incorporated W32.Frethem.K@mm in its signature file to protect users from this worm attack. Solo antivirus registered users are already protected from this worm. Make sure that you have installed registered version of Solo Antivirus to protect your system from all virus threats.

How to remove this worm?

                   If you are already infected with this worm, download and install security patches from the link according to your Internet Explorer version. Then run Solo anti-virus to remove the worm components.

                   Solo antivirus can detect and remove W32.Frethem.K@mm safely. Use the following link to Download 30 day trial version of Solo antivirus to remove viruses from your computer.

                   Solo anti-virus not only scans for all viruses, it contains a unique System Integrity Checker to protect you from New Internet Worms, Backdoors and malicious VB, Java Scripts. It also effectively removes all existing Internet Worms, File viruses, malicious VB, Java scripts, Trojans, Backdoors, boot sector, partition table and macro viruses.

You can purchase Solo antivirus using the link