Published Oct 13, 2015 | Updated Sep 15, 2017

TrojanDownloader:JS/Swabfex

Severe |Detected with Windows Defender Antivirus

Aliases: No associated aliases

Summary

Microsoft security software detects and removes this threat.

This threat is a downloader written in JavaScript which can download and run arbitrary files.

This malware has also been seen to download variants of the Tescrypt Ransomware family.

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 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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