Should I remove “Win32/Kryptik.HAHN”?

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

• Executable code extraction
• Creates RWX memory
• Possible date expiration check, exits too soon after checking local time
• Mimics the system’s user agent string for its own requests
• Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
• Drops a binary and executes it
• HTTP traffic contains suspicious features which may be indicative of malware related traffic
• Performs some HTTP requests
• Deletes its original binary from disk
• Attempts to remove evidence of file being downloaded from the Internet
• Attempts to repeatedly call a single API many times in order to delay analysis time
• Installs itself for autorun at Windows startup
• Creates a copy of itself

How to determine Win32/Kryptik.HAHN?

File Info:
crc32: 7EC89260
md5: 59bb91742228b8d8be55d3d97c724dd5
name: 7nwxy53x23114945.exe
sha1: 7d6b196068432be5efb76566440f6c0258f63c84
sha256: 7dac9a52cf224338aaad57a453a4700897da1f66d1e37451f9ae94c550d7fba5
sha512: 0224dbc2dc350570e2ee84fe9dc94c7d85fe039d567b6711eb00ba5acf3de866ca9a5e10f3139b575e641e784d142bd5515bf704b1288bd186a7184e822d1287
ssdeep: 12288:KLPGyyEv6beEp45OVzThUwaqfJbJbau+D:KLPGyyEvoI5OVzThUkRVbaV
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:
LegalCopyright: Published under the GPL.
InternalName: Tail
FileVersion: 4, 2, 7, 0
CompanyName: Original author: Paul Perkins
PrivateBuild: 
LegalTrademarks: 
Comments: `tail -f` for Win32
ProductName: Tail Application
SpecialBuild: 
ProductVersion: 4, 2, 7, 0
FileDescription: Tail for Win32
OriginalFilename: Tail.EXE
Translation: 0x0409 0x04b0

Win32/Kryptik.HAHN also known as:

How to remove Win32/Kryptik.HAHN?

• 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.