Published Dec 18, 2017 | Updated Jan 10, 2018

Behavior:Win32/Locky.gen!L!rsm

Severe |Detected with Windows Defender Antivirus

Aliases: No associated aliases

Summary

Windows Defender Antivirus detects this threat.

This detection is used to generically check for suspicious behavior that would activate an enhance search in memory for malicious code that would clean the system upon matching .  It is a generic detection, which means the malicious behaviors can greatly vary.

If we receive a significant number of reports about this suspicious behavior, we will add a specific detection and include a more detailed analysis.

The trend towards increasingly sophisticated malware behavior, highlighted by the use of exploits and other attack vectors, makes older platforms so much more susceptible to ransomware attacks. From June to November 2017, Windows 7 devices were 3.4 times more likely to encounter ransomware compared to Windows 10 devices.

Read our latest report: A worthy upgrade: Next-gen security on Windows 10 proves resilient against ransomware outbreaks in 2017.

Use the following free Microsoft software to detect and remove this threat:

You should also run a full scan. A full scan might find hidden malware. 

Use cloud protection 

Use cloud protection to help guard against the latest malware threats. It’s turned on by default for Microsoft Security Essentials and Windows Defender for Windows 10.  

Go to All settings > Update & security > Windows Defender and make sure that your Cloud-based Protection settings is turned On

Get more help

You can also visit our advanced troubleshooting page or search the Microsoft virus and malware community for more help.

If you’re using Windows XP, see our Windows XP end of support page.

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