What is “Win32/Kryptik.HAGG”?

The Win32/Kryptik.HAGG 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.HAGG 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
• The binary likely contains encrypted or compressed data.
• 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
• Anomalous binary characteristics

How to determine Win32/Kryptik.HAGG?

File Info:
crc32: 902CAF08
md5: fd233d842de0534761a32bbc022d1a2e
name: w.exe
sha1: 5c297516d2e5c6ac6775808b4c5cedcc899c18ea
sha256: 643d3c05e2b4135b147228c5d302567b8dd45aa3a1abda2fa1f5a0f336fd1d3d
sha512: 05a9666cb7269676daeff03b9530c98c844975132c60efefbf66e48c839d15c75dc7401cf6f8a4cf058b691b7bb81ba4a02d0e8d0936e19456cf097322223f57
ssdeep: 6144:aX21EVrBrX7deTrShFM4y/44NRRY8CEsx1oVPd4/aoH2AbjrYAOTDMsI:18eTOFARPOoOzUAOTDMH
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:
0: [No Data]

Win32/Kryptik.HAGG also known as:

How to remove Win32/Kryptik.HAGG?

• 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.