Malware

MSIL/WebCompanion.A potentially unwanted removal

Malware Removal

The MSIL/WebCompanion.A 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.

GridinSoft Anti-Malware

Gridinsoft Anti-Malware

Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
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What MSIL/WebCompanion.A potentially unwanted virus can do?

  • Executable code extraction
  • Presents an Authenticode digital signature
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • At least one IP Address, Domain, or File Name was found in a crypto call
  • Expresses interest in specific running processes
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Exhibits possible ransomware file modification behavior
  • Creates a hidden or system file
  • Checks the version of Bios, possibly for anti-virtualization
  • Checks the CPU name from registry, possibly for anti-virtualization
  • Attempts to create or modify system certificates
  • Collects information to fingerprint the system

Related domains:

ocsp.digicert.com
crl3.digicert.com
flow.lavasoft.com
crl4.digicert.com

How to determine MSIL/WebCompanion.A potentially unwanted?


File Info:

crc32: 5968861A
md5: 05e9d0898642d2334158e00b96a54bdb
name: BitTorrent-7.10.5-build-45374.exe
sha1: 59a0d63660ff6b8ce0dccc4ddec6e2a541592f55
sha256: eb706b9f1eb8062aa6775153d30842ceed3e4949f2e28015e268e79b8582d38d
sha512: 4d0d76e3aac96cd9455e746769095bd59b8e58de6f814b138fd3b11250cc6fd2276b925ea5c512eb00b35b210c35a53f4f1357e960212f8945f2f5baa7d61163
ssdeep: 98304:KG5Qg/KWcC/t8kV1tL/6IsnNyfs6+R7FQldLXC:KG5vKot8S1tzkB9EdO
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: xa92019 BitTorrent, Inc. All Rights Reserved.
InternalName: BitTorrent.exe
FileVersion: 7.10.5.45374
CompanyName: BitTorrent Inc.
ProductName: BitTorrent
ProductVersion: 7.10.5.45374
FileDescription: BitTorrent
OriginalFilename: BitTorrent.exe
Translation: 0x0409 0x04b0

MSIL/WebCompanion.A potentially unwanted also known as:

ESET-NOD32a variant of MSIL/WebCompanion.A potentially unwanted
DrWebProgram.Unwanted.3640
Invinceaheuristic
Endgamemalicious (moderate confidence)
RisingMalware.Heuristic!ET#76% (RDMK:cmRtazoFy6McNsBdngY7LTwdtszn)
GDataWin32.Application.WebCompanion.F

How to remove MSIL/WebCompanion.A potentially unwanted?

MSIL/WebCompanion.A potentially unwanted removal tool
  • 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.

About the author

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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