561 entries found.
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Ransom:Win32/Sofilblock.B
Updated on Oct 03, 2012
Windows Defender detects and removes this threat.
This threat stops you from loading Windows and displays a full-screen message, commonly called a "lock screen". If this threat asks you to pay a fee or fine, do not pay it. The message is a fraud.
It tries to scare you into paying a fine to unlock your PC.
You can read more on our ransomware page.
Alert level:
severe
Ransom:Win32/DefrayCrypt.A
Updated on Aug 05, 2008
Microsoft Defender Antivirus detects and removes this threat.
This ransomware attempts to encrypt files on your PC so they can't be opened or used.
You can read more on our ransomware page, and our tech support scams FAQ page has more information on how threats like this can spread.
Alert level:
severe