About “Heur.Crifi.2 (B)” infection

The Heur.Crifi.2 (B) 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 Heur.Crifi.2 (B) virus can do?

• SetUnhandledExceptionFilter detected (possible anti-debug)
• Behavioural detection: Executable code extraction – unpacking
• Attempts to connect to a dead IP:Port (1 unique times)
• Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution
• 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)
• Enumerates running processes
• Reads data out of its own binary image
• CAPE extracted potentially suspicious content
• Drops a binary and executes it
• The binary likely contains encrypted or compressed data.
• Authenticode signature is invalid
• A scripting utility was executed
• Uses Windows utilities for basic functionality
• Behavioural detection: Injection (Process Hollowing)
• Executed a process and injected code into it, probably while unpacking
• Sniffs keystrokes
• Behavioural detection: Injection (inter-process)
• Attempts to stop active services
• Installs itself for autorun at Windows startup
• CAPE detected the njRat malware family
• Creates known Njrat/Bladabindi RAT registry keys
• Uses suspicious command line tools or Windows utilities

How to determine Heur.Crifi.2 (B)?

File Info:
name: EFF3DADE8C35A46D50F2.mlw
path: /opt/CAPEv2/storage/binaries/3ac34a5054a43b3883054b1dfbda0fa98f30d0cf0f8cf9c38e7ed56fc002a873
crc32: 14F8229D
md5: eff3dade8c35a46d50f2764d7eb038f5
sha1: 29a620c3ed3f16eec9eb154fef53cc92d3b7d285
sha256: 3ac34a5054a43b3883054b1dfbda0fa98f30d0cf0f8cf9c38e7ed56fc002a873
sha512: fae96bc90f59920eac99ce85393b9c80d0878bbbf550a175c9fd0a74fcb707d9e2e5c60299f2933a264e426504669ad5409b6d72c05670c6d8ceaa5f10ed5624
ssdeep: 6144:PjbeiuhR1ZgVnMcu7neic+Pl6qJFnCy2grtKhp5SoZ6JxN:Pu5CMnIyFnIO8ZexN
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1E564F16293E08136F0F663B455FA262722B8BCF02B34A3AF834969D95D713D45D3835B
sha3_384: 0023e5e2029d6d69f7283336920ec943b5a8af1aa4834201ce3ab0e2d4ee99663cfc1a10fc1903fab71c082aaa3cd6d7
ep_bytes: e80a000000e97affffffcccccccccc8b
timestamp: 2004-08-04 06:01:37

Version Info:
CompanyName: Microsoft Corporation
FileDescription: Win32 Cabinet Self-Extractor                                           
FileVersion: 6.00.2900.2180 (xpsp_sp2_rtm.040803-2158)
InternalName: Wextract                
LegalCopyright: © Microsoft Corporation. All rights reserved.
OriginalFilename: WEXTRACT.EXE            
ProductName: Microsoft® Windows® Operating System
ProductVersion: 6.00.2900.2180
Translation: 0x0409 0x04b0

Heur.Crifi.2 (B) also known as:

How to remove Heur.Crifi.2 (B)?

• 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.