We're gradually updating threat actor names in our reports to align with the new weather-themed taxonomy. Learn about Microsoft threat actor names
Trojan:Win32/SMSer.B
Detected by Microsoft Defender Antivirus
Aliases: Trojan-Ransom.Win32.Blocker.ac (Kaspersky) Win32/Ransom.G (ESET) Ransom!a (McAfee) Trojan.Winlock (other)
Summary
Trojan:Win32/SMSer.B is a trojan that locks an affected user's computer. It then requests that the affected user send a text message to a premium-charge number in order to receive a code that they can then use to unlock the computer.
Manual removal is not recommended for this threat. To detect and remove this threat and other malicious software that may have been installed, run a full-system scan with an up-to-date antivirus product such as the Microsoft Safety Scanner (http://go.microsoft.com/fwlink/?LinkId=212742). For more information, see http://www.microsoft.com/protect/computer/viruses/vista.mspx.
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