Published Apr 15, 2015 | Updated Sep 15, 2017


Severe |Detected with Windows Defender Antivirus

Aliases: winpe/Kryptik.PDB (Norman) TR/Dldr.Agent.65536.66 (Avira) W32/Elenoocka.C!tr.dldr (Fortinet) Ransom-CTB.a!8CE959B4489B (McAfee) TROJ_DALEXIS.SMN (Trend Micro) PE:Trojan.Win32.CTB.j!1075357254 (Rising AV)


Windows Defender detects and removes this threat.

This threat can download and install other malware onto your PC. We have seen it download malware from the Critroni family - a ransomware family that can lock your files and ask you to pay to get access to them again.

It can be installed when you open a spam email attachment.

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.

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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