MSIL/Kryptik.SIU (file analysis)

The MSIL/Kryptik.SIU 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 MSIL/Kryptik.SIU virus can do?

• SetUnhandledExceptionFilter detected (possible anti-debug)
• Behavioural detection: Executable code extraction – unpacking
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Creates RWX memory
• Guard pages use detected – possible anti-debugging.
• Dynamic (imported) function loading detected
• Enumerates the modules from a process (may be used to locate base addresses in process injection)
• CAPE extracted potentially suspicious content
• The binary contains an unknown PE section name indicative of packing
• .NET file is packed/obfuscated with Confuser
• The binary likely contains encrypted or compressed data.
• Authenticode signature is invalid
• Anomalous .NET characteristics
• Behavioural detection: Injection (Process Hollowing)
• Executed a process and injected code into it, probably while unpacking
• Behavioural detection: Injection (inter-process)
• Created a process from a suspicious location
• Installs itself for autorun at Windows startup
• Creates a copy of itself

How to determine MSIL/Kryptik.SIU?

File Info:
name: 8B733835C1E83DFBCB89.mlwpath: /opt/CAPEv2/storage/binaries/4d4f26e46a85978f24fceb64a43c1b56cf32dc92cec1e0073f0d57f326ff0a8bcrc32: 0DE37DE9md5: 8b733835c1e83dfbcb8909b22d7b991fsha1: b69df34873296f72556b7afec6b7e69c4d487fefsha256: 4d4f26e46a85978f24fceb64a43c1b56cf32dc92cec1e0073f0d57f326ff0a8bsha512: a352b8059da2d2eeeed460b63839235064a86603d6dce0a6e96e522c0d92e57953c6cccaf3bdeab18f2d2b743d657bfcf70ef489d2ec24459e517a464c0cf591ssdeep: 1536:lksSewEFh3aJ1kkIqFuYmtsHWzeByOWg9cW7VmG9jmC29hSYJG2ZoquZS:2maJfIqvHWze0rKP7Vr8C29VnZoquZStype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T17483A5DC726072EFC857D472DEA86CA8EA50347B931B5603942715ADEE0D89BCF184F2sha3_384: 34619a4a71dbbc3e01f530fa4e99e681431bf064e2833c6550a94e41a7d71c29266f46e6dc6e83bd5e2c98e19890f9b4ep_bytes: ff2500c0410000000000000000000000timestamp: 2022-02-08 17:33:52
Version Info:
Translation: 0x0000 0x04b0Comments: ESET Live InstallerCompanyName: ESETFileDescription: Bootstrapper.exeFileVersion: 10.2.185.0InternalName: EfBaQ.exeLegalCopyright: Copyright (c) ESET, spol. s r.o. 1992-2018. All rights reserved.OriginalFilename: EfBaQ.exeProductName: ESET SecurityProductVersion: 10.2.185.0Assembly Version: 0.0.0.0

MSIL/Kryptik.SIU also known as:

How to remove MSIL/Kryptik.SIU?

• 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.