Should I remove “CryptTool.Agent.SFX”?

The CryptTool.Agent.SFX 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 CryptTool.Agent.SFX virus can do?

• SetUnhandledExceptionFilter detected (possible anti-debug)
• 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
• 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
• Uses Windows utilities for basic functionality
• Created a process from a suspicious location
• Installs itself for autorun at Windows startup
• CAPE detected the njRat malware family

How to determine CryptTool.Agent.SFX?

File Info:
name: F9D3518E0BF9A1952AA3.mlw
path: /opt/CAPEv2/storage/binaries/c1d590fd81932792a0eb7893b5b860c7109b4f25f7f495df05dfc7a9ca009fe1
crc32: 3B211D20
md5: f9d3518e0bf9a1952aa3d778561c02bf
sha1: 094c4ee74171e81dd360636f6ba01f8963067f4c
sha256: c1d590fd81932792a0eb7893b5b860c7109b4f25f7f495df05dfc7a9ca009fe1
sha512: 59b9d3712f8de8300203388699195fbcfac713b7fc7bf9df4bd41cd4955b099ec6039025453d25ea7f32d8b20ff18029fb586e0c91e33a6dfedb18779a03777d
ssdeep: 49152:qt07DcU4/6foMyqqliiY3aaO52vV29UbhJBNlfkgT9Z4:q+QU4I3gxlaO5qVZFJBM64
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1E8A5330236E1C036D6B454358AE6C382A928B9366E37A50F3F90035AFD76FE1AD35747
sha3_384: 08b9a0884d2b222bcbf3ffad3c5db93aa32be50d29ab867d29ead1951f8280e652ada1f20157039e2ae1025a7752c51b
ep_bytes: e89d580000e978feffff558bec83ec04
timestamp: 2013-08-22 13:00:55

Version Info:
0: [No Data]

CryptTool.Agent.SFX also known as:

How to remove CryptTool.Agent.SFX?

• 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.