Skip to main content Threats Blogs Antimalware updates Definition change log Windows security Microsoft Defender ATP Microsoft Threat Protection Malicious Software Removal Tool (MSRT) Safety Scanner Microsoft Defender Offline Submit a file View submission history Report unsafe site Attack surface reduction Sources of infection Avoid tech support scams Troubleshoot detection and removal Up-to-date software Developer resources Threat naming Threat identification criteria Security industry alliances Microsoft Security Azure Dynamics 365 Microsoft 365 Microsoft Teams Windows 365 Microsoft AI Azure Space Mixed reality Microsoft HoloLens Microsoft Viva Quantum computing Sustainability Education Automotive Financial services Government Healthcare Manufacturing Retail Find a partner Become a partner Partner Network Microsoft Marketplace Software companies Blog Microsoft Advertising Developer Center Documentation Events Licensing Microsoft Learn Microsoft Research View Sitemap
Published Nov 06, 2016 | Updated Sep 15, 2017

TrojanDropper:Win32/Randrew.A!bit

Detected by Microsoft Defender Antivirus

Aliases: No associated aliases

Summary

Microsoft Defender Antivirus detects and removes this threat.

This trojan can install other malware or unwanted software onto your PC.

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.

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 see our advanced troubleshooting page for more help 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.

Follow us
English (United States)
Your Privacy Choices Opt-Out Icon Your Privacy Choices
Consumer Health Privacy Sitemap Contact Microsoft Privacy Manage cookies Terms of use Trademarks Safety & eco Recycling About our ads