Published Dec 01, 2010 | Updated Sep 15, 2017

Trojan:Win32/Seftad.A

Severe |Detected with Windows Defender Antivirus

Aliases: Trojan-Ransom.Win32.Seftad.a (Kaspersky) TR/Ransom.Seftad.A (Avira) Win32/RansomSeftad.A (CA) Trojan.MBRlock.1 (Dr.Web) Win32/MBRlock.A (ESET)

Summary

Trojan:Win32/Seftad.A is a trojan that modifies the Master Boot Record (MBR) to lock the system and hold the affected user to ransom; the trojan attempts to force the user to visit a certain website to acquire an unblocking password.
To detect and remove this threat and other malicious software that may be installed in your computer, run a full-system scan with an up-to-date antivirus product such as the following:
 
For more information on antivirus software, see http://www.microsoft.com/windows/antivirus-partners/.
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