What is “Heur.Crifi.4”?

The Heur.Crifi.4 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 Heur.Crifi.4 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
• Possible date expiration check, exits too soon after checking local time
• Anomalous file deletion behavior detected (10+)
• Guard pages use detected – possible anti-debugging.
• Dynamic (imported) function loading detected
• At least one IP Address, Domain, or File Name was found in a crypto call
• Enumerates running processes
• Expresses interest in specific 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
• Uses Windows utilities for basic functionality
• Behavioural detection: Injection (Process Hollowing)
• Executed a process and injected code into it, probably while unpacking
• Code injection with CreateRemoteThread in a remote process
• Behavioural detection: Injection (inter-process)
• Behavioural detection: Injection with CreateRemoteThread in a remote process
• Tries to unhook or modify Windows functions monitored by Cuckoo
• Steals private information from local Internet browsers
• Collects and encrypts information about the computer likely to send to C2 server
• Installs itself for autorun at Windows startup
• Creates a hidden or system file
• Attempts to modify browser security settings
• Harvests credentials from local FTP client softwares
• Collects information to fingerprint the system
• Anomalous binary characteristics
• Clears web history

How to determine Heur.Crifi.4?

File Info:
name: 30F9CE2FE45423767B03.mlwpath: /opt/CAPEv2/storage/binaries/b43f7b80917c08c59d430c001b348fc0a163c58039345b36a4cd62eefcb0c984crc32: 2C79B3B0md5: 30f9ce2fe45423767b03b898708e8760sha1: 650797928375a48601f78059f813f0edb0b29f7dsha256: b43f7b80917c08c59d430c001b348fc0a163c58039345b36a4cd62eefcb0c984sha512: 62207aa2b3fa1b749b88a743fad11a725f13a6de3ff69e2bda30edcf1956662197bc8a0a9254d8586fceb1277a121039b801947054261cd67e351c73c0c533bbssdeep: 6144:Hjbei2QUiBWQbBwXrQOg+/uvmkyQSedoFlHV:Hu6fJbBwb6vFcedKtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T19B54CE12DAD0857FE0E537B044FA17A216387CF82A76D36F7648759BA8223C4953633Bsha3_384: c72bb7d858ac201e889738547477d7f4d1a1bbd0fe865d0fd30a192037beaea6e7e3c64b24ba6de06bb48838783f324fep_bytes: e80a000000e97affffffcccccccccc8btimestamp: 2004-08-04 06:01:37
Version Info:
CompanyName: Microsoft CorporationFileDescription: 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 SystemProductVersion: 6.00.2900.2180Translation: 0x0409 0x04b0

Heur.Crifi.4 also known as:

How to remove Heur.Crifi.4?

• 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.