Published Jul 07, 2016 | Updated Sep 15, 2017

Win32/Suweezy

Severe |Detected with Windows Defender Antivirus

Aliases: No associated aliases

Summary

Windows Defender detects and removes this threat.

This malware family attempts to exclude certain folders from being scanned by several anti-malware scanners, including Windows Defender. It also installs a service that may be used to download and execute additional malware.

This threat is commonly installed by BrowserModifier:Win32/Sasquor.

This threat is part of a suite of malware and unwanted software families that is also called "Fireball". Read about this threat group in the Windows Security blog: 

Understanding the true size of “Fireball”

Find out ways that malware can get on your PC.

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.

Protect your sensitive information

This threat tries to steal your sensitive and confidential information. If you think your information has been stolen, see:

You should change your passwords after you've removed this threat:

Use cloud protection

The Microsoft Active Protection Service (MAPS) uses 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. 

Get more help

You can also see 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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