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:PowerShell/Certor.A
Aliases: No associated aliases
Summary
Microsoft Defender Antivirus detects and removes this threat.
This threat is a component of Trojan:JS/Certor.A and can install Tor client, Task Scheduler, Proxifier, its own certificate on your PC and on your Mozilla Firefox browser.
We have observed this threat being distributed as a malicious attachment to spam email.
Use the following free Microsoft software to detect and remove this threat:
- Microsoft Defender Antivirus for Windows 10 and Windows 8.1, or Microsoft Security Essentials for Windows 7 and Windows Vista
- Microsoft Safety Scanner
You should also run a full scan. A full scan might find hidden malware.
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.