Aliases: TR/Agent.360448.280 (Avira) Trojan horse Crypt3.CGZF (AVG) W32/Trojan.OTNA-9162 (Command) Win32/Kryptik.CZOK trojan (ESET) W32/Androm.CZOK!tr.bdr (Fortinet) Backdoor.Win32.Androm.gizl (Kaspersky)
Windows Defender detects and removes this threat.
As of April 2015, we have observed an increase in Tescrypt activity as it gets dropped by a few exploit kits such as Exploit:SWF/Axpergle (Angler), Exploit:JS/Neclu (Nuclear), JS/Fiexp (Fiesta), and JS/Anogre (Sweet Orange).
More information about ransomware can be found on our Ransomware page.
There is no one-size-fits-all response if you have been victimized by ransomware. There is no guarantee that paying the ransom will give you access to your files.
If you've already paid, see our ransomware page for help on what to do now.
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.
You might be able to use the Talos TeslaCrypt Decryption Tool or the TeslaDecoder Tool to recover your encrypted files. However, Microsoft makes no representations or warranties that the tool will recover your files.
You can also ask for help from other PC users at the Microsoft virus and malware community.
If you’re using Windows XP, see our Windows XP end of support page.
Enable the Microsoft Active Protection Service (MAPS) on your system to protect your enterprise software security infrastructure in the cloud.
Check if MAPS is enabled in your Microsoft security product:
Select Settings and then select MAPS.
Select Advanced membership, then click Save changes. With the MAPS option enabled, your Microsoft anti-malware security product can take full advantage of Microsoft's cloud protection service.