Win32/LockScreen [Threat Name] go to Threat

Win32/LockScreen.YL [Threat Variant Name]

Category trojan
Size 430080 B
Detection created Dec 02, 2010
Detection database version 5669
Aliases Trojan:Win32/LockScreen.AO (Microsoft)
Short description

Win32/LockScreen.YL is a trojan that blocks access to the Windows operating system.

Installation

The trojan does not create any copies of itself.


In order to be executed on every system start, the trojan sets the following Registry entries:

  • [HKEY_CURRENT_USER\­Software\­Microsoft\­Windows NT\­CurrentVersion\­Winlogon]
    • "shell" = "%malwarefilepath%"
Other information

Win32/LockScreen.YL is a trojan that blocks access to the Windows operating system.


The trojan displays the following dialog box:

To regain access to the operating system the user is asked to send information/certain amount of money via Webmoney payment service.


The password to regain access to the operating system is one of the following:

  • 1758215593

When the correct password is entered the trojan removes itself from the computer.


The trojan may terminate specific running processes.


The trojan blocks keyboard and mouse input.

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