What is “Ransom:Win32/StopCrypt.PK!MTB”?

The Ransom:Win32/StopCrypt.PK!MTB 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 Ransom:Win32/StopCrypt.PK!MTB 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
• Dynamic (imported) function loading detected
• Performs HTTP requests potentially not found in PCAP.
• HTTPS urls from behavior.
• A process created a hidden window
• CAPE extracted potentially suspicious content
• Unconventionial language used in binary resources: Spanish (Paraguay)
• The binary likely contains encrypted or compressed data.
• Authenticode signature is invalid
• 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
• CAPE detected the STOP malware family
• Attempts to modify proxy settings
• Anomalous binary characteristics

Related domains:

How to determine Ransom:Win32/StopCrypt.PK!MTB?

File Info:
name: C030F577A0E1CDC22E11.mlwpath: /opt/CAPEv2/storage/binaries/4f3677685dc2ab9b76b5d3e9e213d31b2f3e45e9c2a6c25e547b020eb8c92deacrc32: 774E391Fmd5: c030f577a0e1cdc22e11fcf41b1c0443sha1: 17a52df477d311e77bee1754dfe4607c1900d05dsha256: 4f3677685dc2ab9b76b5d3e9e213d31b2f3e45e9c2a6c25e547b020eb8c92deasha512: 25616aa703a314939e3fb8c66173039956c5b98283d3922f5313aeb5da8d76d55a3e6c92c935d795b2734a4fec968679f4337ef33a74607480349d0b214e28ccssdeep: 24576:z29OoiMqc8ivTbTYuWUoVH8ZsFIL0vnSh8koeUFia:a9BwDuWUq4sF40PJ2utype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T12D05021067A1C034F5B612F49A7997B8B53F3EA09B6490CF92E512FA5B356E1EC3034Bsha3_384: 0584395bbdf6506f63e1b89d06e65e41e34d49f54f64c2a670a5665134ef02289f353570dccc9811d06917dc99ab71cbep_bytes: 8bff558bece8462c0000e8110000005dtimestamp: 2020-12-22 11:28:10
Version Info:
Translation: 0x0252 0x0011

Ransom:Win32/StopCrypt.PK!MTB also known as:

How to remove Ransom:Win32/StopCrypt.PK!MTB?

• 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.