Win32/Kryptik.KRS (file analysis)

The Win32/Kryptik.KRS 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.

What Win32/Kryptik.KRS virus can do?

• Behavioural detection: Executable code extraction – unpacking
• 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
• Dynamic (imported) function loading detected
• Reads data out of its own binary image
• CAPE extracted potentially suspicious content
• Unconventionial language used in binary resources: Russian
• The binary likely contains encrypted or compressed data.
• Authenticode signature is invalid

How to determine Win32/Kryptik.KRS?

File Info:
name: 09B074A5E6CDE3AEC57A.mlwpath: /opt/CAPEv2/storage/binaries/48af4601e9c8c253fc43626a2ba3dae2d5501e5b3841ff22a0be0383e6a743b6crc32: 621E2A69md5: 09b074a5e6cde3aec57a275014f75a63sha1: 4bf0628c2459fc4562bcd0d2945adeddb55cd964sha256: 48af4601e9c8c253fc43626a2ba3dae2d5501e5b3841ff22a0be0383e6a743b6sha512: 2cc565d09174e0429554e2460e5cb761e7d5cf342521c9c65c44e506cc941a6e8b24c50767c48a35c4d79598071d10ba6e92a0ce7c4ee177d3e98508c8af1214ssdeep: 3072:WM3bbw1Z6x2Of9Nw9ANc7OK0lmKR3cMokC5pLRspo9aipxxXHv:vPWZ6x2Ew9AKylmjvbL6pAHtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T14AE3E12161D285FAC3D60732AD633A797A7E34A457C017284F1A581C39BF7FB9E43922sha3_384: 399c4ec47e763f7fcda3063174701ccd2f58668450eb2163ca6eecc7bfaef09b1de0ca682f24eaaee487b0f7730519fdep_bytes: 558bec81c4e8fdfffff7dbb98a1a4000timestamp: 2007-04-03 14:45:47
Version Info:
CompanyName: Aper1 SoftwareFileDescription: Aper1 Internet BrowserFileVersion: 1190InternalName: Aper1LegalCopyright: Copyright © Oper1 Software 1995-2011OriginalFilename: Aper1.exeProductName: Aper1 Internet BrowserProductVersion: 11.01Translation: 0x0409 0x04b0

Win32/Kryptik.KRS also known as:

How to remove Win32/Kryptik.KRS?

• 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.