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Published Nov 15, 2010 | Updated Sep 15, 2017

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Win32/Onescan

Detected by Microsoft Defender Antivirus

Aliases: Trojan.Fakealert.15309 (Dr.Web) Win32/Adware.IScan.A (ESET) SoftwareBundler:Win32/NetPumper.A (other) TROJ_FAKEAV.SMTF (Trend Micro) One Scan (other) Siren114 (other) EnPrivacy (other) PC Trouble (other) My Vaccine (other)

Summary

Microsoft Defender Antivirus detects and removes this threat.

This threat can perform a number of actions of a malicious actor's choice on your device.

Find out ways that malware can get on your device.

Devices affected by this threat might exhibit the following unexpected behavior in your device:

Slow performance
Presence of added or modified files
Changes in desktop settings
Freezing or crashing
Diminished storage space

Win32/Onescan

Summary

What to do now

Technical information

Threat behavior

Prevention

Symptoms