Should I remove “MSIL/WebCompanion.C potentially unwanted”?

The MSIL/WebCompanion.C 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 MSIL/WebCompanion.C 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
• 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
• Attempts to identify installed AV products by installation directory
• Checks the version of Bios, possibly for anti-virtualization
• Checks the CPU name from registry, possibly for anti-virtualization
• Collects information to fingerprint the system
• Anomalous binary characteristics

Related domains:

How to determine MSIL/WebCompanion.C potentially unwanted?

File Info:
crc32: B9C4B8B1
md5: a7ae0b236749d86ee0a6e4f113cc050e
name: WCInstaller.exe
sha1: 5257ce8707aed7dbbab0a2fa8f9c2d2dc737b917
sha256: c729e5bd0bc18dd2d3055eb811cd27c97dafbba214b8edd64acc46c62ead0e3d
sha512: 2e683e0f6034b8226b83541012321704a6091e8db7984ce8b4172e517fdb6ce5f0fd0ef9331647d7c3a2ad19dc0b59fc442cb31da9cb2a25221c6e1fc3ee8bfa
ssdeep: 12288:Z1OgLdaJvprKl1OYL0BkdkQBUhlakmhWt:Z1OYdaLriPo+9BU/Y8t
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:
LegalCopyright: c Lavasoft Limited. All Rights Reserved.
InternalName: Installer.exe
FileVersion: 4.9.2159.4024
CompanyName: Lavasoft
ProductName: Web Companion Installer
ProductVersion: 4.9.2159.4024
FileDescription: Web Companion Installer
OriginalFilename: Installer.exe
Translation: 0x0409 0x04b0

MSIL/WebCompanion.C potentially unwanted also known as:

How to remove MSIL/WebCompanion.C 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.