Win32/Kryptik.ASXB (file analysis)

The Win32/Kryptik.ASXB 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.ASXB 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
• Attempts to connect to a dead IP:Port (6 unique times)
• Dynamic (imported) function loading detected
• Starts servers listening on 127.0.0.1:0
• CAPE extracted potentially suspicious content
• Unconventionial language used in binary resources: Serbian
• The binary likely contains encrypted or compressed data.
• Authenticode signature is invalid
• Exhibits behavior characteristic of Kelihos malware
• Installs itself for autorun at Windows startup
• Collects information about installed applications
• Attempts to access Bitcoin/ALTCoin wallets
• Harvests credentials from local FTP client softwares
• Installs WinPCAP

How to determine Win32/Kryptik.ASXB?

File Info:
name: 164257195268149975F9.mlwpath: /opt/CAPEv2/storage/binaries/48fa91dadcb7c3a4898e5a9fb4fefe529f54a06a20a55519587bbd07730f2f3bcrc32: 38C45F12md5: 164257195268149975f959a888bc7f2csha1: 0971f0701d74cabf00001b59b63a29400dc64443sha256: 48fa91dadcb7c3a4898e5a9fb4fefe529f54a06a20a55519587bbd07730f2f3bsha512: 4c1b6c393ddb89fc0254abbdc74f60966bd70b378dd7551a49e7bae42175318e30a5850bef26398f745155d949b9aff2a25800480cce78e66b6f1da283a633e1ssdeep: 24576:tNmQ2OY0Dp+JgWMARqiGQcz1UlpoRv+u:tNmQ2J0MqBARqhQcz1UlpoYutype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T18A0533C18277DD39D4692C7007CD3AB976CBC988913ED7489B8130C5626AACDC97AEC7sha3_384: 7d30a8b8dd5e8bea8f4d50313255817613504d7a5c64669b6dc95c192dcd4792df0b7fe532a7eba77a33a1eedc95ef30ep_bytes: 558bec83ec78ba5700000083eaee8955timestamp: 2012-05-07 10:55:35
Version Info:
CompanyName: zoPJSqBzRFileDescription: W2vImutFileVersion: 44.249.4743.45733InternalName: 6WACyUOriginalFilename: B2A766lhevAM2ProductName: tFOnProductVersion: 32.194.2791.42370Translation: 0x0409 0x04b0

Win32/Kryptik.ASXB also known as:

How to remove Win32/Kryptik.ASXB?

• 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.