About “Trojan:Win32/Raccrypt.GK!MTB” infection

The Trojan:Win32/Raccrypt.GK!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.

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What Trojan:Win32/Raccrypt.GK!MTB virus can do?

• SetUnhandledExceptionFilter detected (possible anti-debug)
• Behavioural detection: Executable code extraction – unpacking
• At least one process apparently crashed during execution
• 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
• Dynamic (imported) function loading detected
• Reads data out of its own binary image
• A process created a hidden window
• CAPE extracted potentially suspicious content
• Drops a binary and executes it
• Unconventionial language used in binary resources: Uzbek (Latin)
• Authenticode signature is invalid
• Uses Windows utilities for basic functionality
• Enumerates services, possibly for anti-virtualization
• Behavioural detection: Injection (Process Hollowing)
• Executed a process and injected code into it, probably while unpacking
• Behavioural detection: Injection (inter-process)
• Installs itself for autorun at Windows startup
• Installs itself for autorun at Windows startup
• CAPE detected the Tofsee malware family
• Deletes executed files from disk
• Anomalous binary characteristics
• Uses suspicious command line tools or Windows utilities

How to determine Trojan:Win32/Raccrypt.GK!MTB?

File Info:
name: 7FF4CB6FFD7E78C5AEA2.mlw
path: /opt/CAPEv2/storage/binaries/005b609a6708768ebccdfd4a853850493e6b3f2155743be668d489653fcb74f5
crc32: 849F4D3D
md5: 7ff4cb6ffd7e78c5aea22c8ebc1e643e
sha1: 7d9880e20986c447943324e2035425a025a0f943
sha256: 005b609a6708768ebccdfd4a853850493e6b3f2155743be668d489653fcb74f5
sha512: 5efe1aa717bb9791ff0b816e3c1ba06c11aa3fad139ea1b959fa7c29d8dc045f0fc08c391e4d76cd3b1c7063b37728d10b7867af1d360097afb5575ec58c5da4
ssdeep: 12288:74iPv+xiaf7pqS6g3h36wwlT099999999999999999999999999999999999999H:7tHR+7pqiClT
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1B9C67C0577D8D959D3A52AB2593686A65A36FCDBE92403CB320C7F0FBC325844E81F63
sha3_384: 91d2724daff7647cd070d66a2d02c5d9d949afce70252d3b098a80dd08ad78ffde68399309601546b2bcdc62b74c2609
ep_bytes: 8bff558bece876d10000e8110000005d
timestamp: 2021-05-17 04:13:23

Version Info:
Translations: 0x0293 0x02bb

Trojan:Win32/Raccrypt.GK!MTB also known as:

How to remove Trojan:Win32/Raccrypt.GK!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.