About “Win32/Kryptik.CYOK” infection

The Win32/Kryptik.CYOK is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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What Win32/Kryptik.CYOK virus can do?

• Executable code extraction
• Injection (inter-process)
• Injection (Process Hollowing)
• Compression (or decompression)
• Injection with CreateRemoteThread in a remote process
• Creates RWX memory
• Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
• HTTP traffic contains suspicious features which may be indicative of malware related traffic
• Performs some HTTP requests
• Unconventionial language used in binary resources: Russian
• Executed a process and injected code into it, probably while unpacking
• Code injection with CreateRemoteThread in a remote process
• Tries to unhook or modify Windows functions monitored by Cuckoo
• A system process is generating network traffic likely as a result of process injection
• Installs itself for autorun at Windows startup
• Creates a hidden or system file
• Creates a copy of itself

Related domains:

How to determine Win32/Kryptik.CYOK?

File Info:
crc32: 6D581FB8
md5: 40acb01507bccae290a55463a89f8ed5
name: 40ACB01507BCCAE290A55463A89F8ED5.mlw
sha1: ecfeb9a4fe24ca2af653f0a200b997d5f20132ed
sha256: 4c0d42df722cef63dee7f8b56d5781c29129c247cc3158cee8f982b63d7b1b7e
sha512: 2b2fa1586c1919b4bf7d5b5610bfa1f69fb1b435496c48cc5b1ef1c8e0043e42a92ea83f5288ad6317771083bc26c58eb3d1bad751a8db4c14718778b11dd32e
ssdeep: 1536:v9cP1R6aQd7SCY02MpFwLjtnxi0xXhJE//o7tOf3QtHWDjEsJgEv19FA58GKUvCr:GNRzQd7dh2nJ7JEYnFOj+qk8GBE9aA
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:
0: [No Data]

Win32/Kryptik.CYOK also known as:

How to remove Win32/Kryptik.CYOK?

• Download and install GridinSoft Anti-Malware.
• Open GridinSoft Anti-Malware and perform a “Standard scan“.
• “Move to quarantine” all items.
• Open “Tools” tab – Press “Reset Browser Settings“.
• Select proper browser and options – Click “Reset”.
• Restart your computer.