Aliases: Trojan-Downloader.JS.Agent.hdm (Kaspersky) JS/Downloader (McAfee) Troj/JSDldr-AT (Sophos) JS.Downloader (Symantec)
Windows Defender Antivirus detects and removes this threat.
This threat downloads and installs other programs onto your PC without your consent, including ransomware and other malware.
The trend towards increasingly sophisticated malware behavior, highlighted by the use of exploits and other attack vectors, makes older platforms so much more susceptible to ransomware attacks. From June to November 2017, Windows 7 devices were 3.4 times more likely to encounter ransomware compared to Windows 10 devices.
Use the following free Microsoft software to detect and remove this threat:
- Windows Defender 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 see our advanced troubleshooting page for more help.
If you’re using Windows XP, see our Windows XP end of support page.