Win32/Kryptik.ATOB (file analysis)

The Win32/Kryptik.ATOB 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.ATOB 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 (21 unique times)
• Dynamic (imported) function loading detected
• Starts servers listening on 127.0.0.1:0
• Reads data out of its own binary image
• CAPE extracted potentially suspicious content
• 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
• Anomalous binary characteristics

How to determine Win32/Kryptik.ATOB?

File Info:
name: 0169D524BEDBFB8938DA.mlw
path: /opt/CAPEv2/storage/binaries/cfc936fe81119669ceed54926988b9be1628363bd525a1b768b2b87e2de1b144
crc32: 4A4F7AE1
md5: 0169d524bedbfb8938daf0cfd15bfee9
sha1: 69e946cc14cc0a3cb6ad43748518e23ab03f1e5d
sha256: cfc936fe81119669ceed54926988b9be1628363bd525a1b768b2b87e2de1b144
sha512: 123b5dc11f9c94fcc5cba8a242ba882c89ea8f3d5838c0c2b1fde1606a649eb8165063dddcd959ee56fec3ea03ce4418b9840792a8f36ef67e9227b0f6dace1d
ssdeep: 12288:65vlJ3yupjrEHx5ZFbFMbWh+ccasdtIB6LH1isX46tZhtb/vnn2LJdtIKoF:OnNNrERXJae5KIBvQ48/bnW2
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T16FF423C2B20B16C0C590BEB01EB25609EC5B9F60D91E7436687B777A8B316C5AB710FD
sha3_384: 1cbf21a1ae576cc42f480735706864336ed39184582f87a8c3480f834c09feab801934d8814885a4c5f9b5c3365b5ca4
ep_bytes: 68182140005f83c7928b3fc1e7108d47
timestamp: 2013-01-02 14:20:41

Version Info:
0: [No Data]

Win32/Kryptik.ATOB also known as:

How to remove Win32/Kryptik.ATOB?

• 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.