Win32/Kryptik.KVK removal tips

The Win32/Kryptik.KVK 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.KVK virus can do?

• Behavioural detection: Executable code extraction – unpacking
• SetUnhandledExceptionFilter detected (possible anti-debug)
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Creates RWX memory
• Possible date expiration check, exits too soon after checking local time
• A process attempted to delay the analysis task.
• Dynamic (imported) function loading detected
• Enumerates running processes
• Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
• A process created a hidden window
• CAPE extracted potentially suspicious content
• Unconventionial language used in binary resources: Russian
• Authenticode signature is invalid
• Deletes its original binary from disk
• Checks for the presence of known windows from debuggers and forensic tools
• Likely virus infection of existing system binary
• Attempts to identify installed analysis tools by a known file location
• Checks the presence of disk drives in the registry, possibly for anti-virtualization
• Creates a copy of itself

How to determine Win32/Kryptik.KVK?

File Info:
name: 8CF5E3981C3AD493D036.mlw
path: /opt/CAPEv2/storage/binaries/136e81dc1f0062aa3f817dbd83e47296c0e2224afed3400598a96fe8547b83c0
crc32: 5ECEDDFF
md5: 8cf5e3981c3ad493d0369ba50e8e9e17
sha1: ccbb6c9edf9c465e8d080f05f53e2ce643047e58
sha256: 136e81dc1f0062aa3f817dbd83e47296c0e2224afed3400598a96fe8547b83c0
sha512: c4c39475657863f12b4efea9c3bf56f427867c6859abddc1fda5cda78d7d2cf0c1301d73e1efc3ccd73a51c8e8827b428145309eb6f4256216621cf1e7238b89
ssdeep: 6144:3IKN1rzAEeMljHQvhHSbFv7WVydI36GGUttGAt9KoPjRy:Yi/svhHwcgeDGgMMRj4
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1F954124DE93854B8D0A622796093A2E7986E3D646EEC002FF30C1D87BD717F53E6A314
sha3_384: 0a2004398ec45a87d69e9b2893d6e92a93db5c105005d4bdb447f85686f095c2c4456c08617c18ee91ff4d5ea610f125
ep_bytes: 90558bec81c474fcffff4203dabec620
timestamp: 2004-07-26 15:24:48

Version Info:
CompanyName: AVG Technologies CZ, s.r.o.
FileDescription: AVG Tray Monitor
FileVersion: 9.0.0.871
InternalName: avgtray
LegalCopyright: Copyright © 2010 AVG Technologies CZ, s.r.o.
OriginalFilename: avgtray.exe
ProductName: AVG Internet Security
ProductVersion: 9.0.0.871
PrivateBuild: Win32 Release_Unicode
SpecialBuild: Avg8VC8_2010_1109_133319(871), SVNRev 145063 (/branches/release/SmallUpdate9-12)
Translation: 0x0409 0x04e4

Win32/Kryptik.KVK also known as:

How to remove Win32/Kryptik.KVK?

• 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.