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Doctor Web helps users in Russia to get rid of Trojan blocking access to the system


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Отправлено 10 Апрель 2009 - 03:00

April 10, 2009

Doctor Web informs Internet users about a new Trojan that blocks
access to the system and prompts the victim to send a paid SMS in
order to receive a registration code to unblock it. Apparently the
malicious program has been targeting only users of the Russian segment
of the World Wide Web.

The Trojan is spread as a fake video codec. Once installed, it will
display a message on Windows start-up informing a user that he needs
to enter a registration code to unlock his system. The program was
discovered on April 8 and entered the Dr.Web malware classification as
Trojan.Winlock.19. The Origins TracingTM technology allows Dr.Web
anti-viruses to detect new modifications of the Trojan as
Trojan.Winlock.origin.

[IMAGE]

Trojan.Winlock can remove itself in two hours after launching. Users
who don’t want to wait that long can use the web-form to enter the
text of the suggested SMS and get the unblock code.

SMS text:

Activation code:

Once again Doctor Web calls on all users to refrain from sending paid
messages to virus makers. Dr.Web anti-viruses surely eliminate the
threat. If your system has been compromised by the Trojan and you are
using an anti-virus from another vendor, use the web-form to receive
the code and unblock your system.


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