Categories: Malware

What is “Win32/ByteFence.B potentially unwanted”?

The Win32/ByteFence.B potentially unwanted 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 Win32/ByteFence.B potentially unwanted virus can do?

  • Attempts to connect to a dead IP:Port (1 unique times)
  • Presents an Authenticode digital signature
  • At least one IP Address, Domain, or File Name was found in a crypto call
  • Reads data out of its own binary image
  • Performs some HTTP requests
  • The binary likely contains encrypted or compressed data.
  • The executable is compressed using UPX
  • Anomalous binary characteristics

Related domains:

track.analytics-data.io
x.ss2.us
o.ss2.us
ocsp.rootg2.amazontrust.com
ocsp.rootca1.amazontrust.com
ocsp.sca1b.amazontrust.com

How to determine Win32/ByteFence.B potentially unwanted?


File Info:

crc32: B5B61E18md5: c1bd71390bcb97995a4043d067cd0baaname: C1BD71390BCB97995A4043D067CD0BAA.mlwsha1: 30a6ad43059bb691b8da3669bd1373af2d0ded0asha256: 25aa20133bfc19b1fe4e49633cd35780ae5fc694e2a5044f7e98edad42bb8936sha512: 59355572814bcd03476c4b03e931a05ec03d87bd42485a906720a79a55bccb98bd7bd48f60ee2c9f949172185d8ce6dc11f5132b573a68c38f57c267377f437cssdeep: 12288:XcJMOhV7Pva/AYuJV+OrwuzRfON6ukotYfomRdzFct:XCJva/Xuj+R2RfO2domR9Gttype: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

LegalCopyright: Copyright Reason Software Company Inc.FileVersion: 1.0.0.12CompanyName: Reason Software Company Inc.ProductName: Reason AntivirusProductVersion: 1.0.0.12FileDescription: Reason Antivirus InstallerTranslation: 0x0409 0x04b0

Win32/ByteFence.B potentially unwanted also known as:

Cylance Unsafe
K7AntiVirus Unwanted-Program ( 00560ccc1 )
K7GW Unwanted-Program ( 00560ccc1 )
ESET-NOD32 a variant of Win32/ByteFence.B potentially unwanted
NANO-Antivirus Riskware.Win32.ByteFence.hytxwx
McAfee-GW-Edition GenericRXMN-UN!B2A1F71E5EE7
McAfee Artemis!C1BD71390BCB
Malwarebytes Generic.Malware/Suspicious
Yandex Riskware.Agent!rXHS2hUOQ0M
Fortinet Riskware/ByteFence

How to remove Win32/ByteFence.B potentially unwanted?

  • 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.
Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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