Win32/Kryptik.BUYX removal instruction

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

• Behavioural detection: Executable code extraction – unpacking
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Presents an Authenticode digital signature
• Creates RWX memory
• Possible date expiration check, exits too soon after checking local time
• A process attempted to delay the analysis task.
• Dynamic (imported) function loading detected
• Performs HTTP requests potentially not found in PCAP.
• HTTPS urls from behavior.
• CAPE extracted potentially suspicious content
• Unconventionial binary language: Russian
• Unconventionial language used in binary resources: Russian
• The binary likely contains encrypted or compressed data.
• Authenticode signature is invalid
• Deletes its original binary from disk
• Behavioural detection: Injection (inter-process)
• Behavioural detection: Injection with CreateRemoteThread in a remote process
• Attempts to modify proxy settings
• CAPE detected injection into a browser process, likely for Man-In-Browser (MITB) infostealing

How to determine Win32/Kryptik.BUYX?

File Info:
name: F334AFAED79AF1B01809.mlwpath: /opt/CAPEv2/storage/binaries/a057ba56ead3556e6902dc074ade457502191e8789a31ace87560495c88fefcecrc32: FE826191md5: f334afaed79af1b0180915a6f026a028sha1: 2286cae66b3d2d5d9b3f9d04733ff36a95fdcf96sha256: a057ba56ead3556e6902dc074ade457502191e8789a31ace87560495c88fefcesha512: 636fe09610f93b9243e89e9d71eac3a1bf7dfa5294ab48274cf49d6e44f5578aa9a47bbbc8a8ed649bc04220370d0c21f2b3a2bf61d38934ecfd92dbb75d80c9ssdeep: 768:2yMtnHtvgXT30XpU6URhEVzJ9MNd05XhJD0dmphpKpSpzv4CkD/:2rHJg4ZPCE1JFnD0dCvutype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1CF13E636259B88BBF3E79F78BCAA2B6508636D73DB05F0F314594C8C8435691D070E2Asha3_384: 359206556f31b370882082a66711d14c0f3441a0087e71549fa3b6fbbad55b9525500b8f48d4f2c0389c12ffc41f4ad3ep_bytes: 558bec892da0854000e872fdffff5dc3timestamp: 2012-12-06 04:23:36
Version Info:
CompanyName: Корпорация МайкрософтFileDescription: ProQuotaFileVersion: 5.1.2600.5512 (xpsp.080413-2113)InternalName: proquotaLegalCopyright: © Корпорация Майкрософт. Все права защищены.OriginalFilename: proquota.exeProductName: Операционная система Microsoft® Windows®ProductVersion: 5.1.2600.5512Translation: 0x0419 0x04b0

Win32/Kryptik.BUYX also known as:

How to remove Win32/Kryptik.BUYX?

• 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.