How to remove “PUP.Optional.WebCompanion”?

The PUP.Optional.WebCompanion 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 PUP.Optional.WebCompanion virus can do?

• Sample contains Overlay data
• Presents an Authenticode digital signature
• Reads data out of its own binary image
• CAPE extracted potentially suspicious content
• Drops a binary and executes it
• The binary contains an unknown PE section name indicative of packing
• Authenticode signature is invalid
• Anomalous binary characteristics

How to determine PUP.Optional.WebCompanion?

File Info:
name: 968DB632418736BBF5C1.mlw
path: /opt/CAPEv2/storage/binaries/0cbb25c5a9029c480dfdf57604a189a2e4f531153eb4753bc98cc5923d99c7a9
crc32: 242A7861
md5: 968db632418736bbf5c17d2cdb73a0fc
sha1: 070aec92c6fc9f4101df58423c0ed51696c1a492
sha256: 0cbb25c5a9029c480dfdf57604a189a2e4f531153eb4753bc98cc5923d99c7a9
sha512: e0f5b59807ba3b23efb6d9af0608a36dc8d3ecf21c5ecf3893bf95fded7d43c859c29e968a1988bc7660d58ed9ac87a75e4f4fa12799f7361ce2e738bcd7d3c0
ssdeep: 12288:JG5knZfFKera6pW21Cg/f35Q5911xbBBKTYGXYm4FYoZHYtIRT:JG50ZfFKUpw21XX3EN3K3J4DgIRT
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1AAC4F1127EE189BAD5420131C974AFE5E2F6FE161E21546333993E3E3F3A542C132A5E
sha3_384: 4d7a04c13a9c75a7fead00ee340598d3a9d387edcc08a91c89bd3e4814706de774e0fc3a081f974f6a2f133bb9abe749
ep_bytes: 558bec6aff68e8b9410068fc47410064
timestamp: 2011-04-18 18:54:06

Version Info:
FileVersion: 11.908.5.907
ProductVersion: 11.908.5.907
CompanyName: Lavasoft
FileDescription: Web Companion Installer
InternalName: Installer.exe
LegalCopyright: c Lavasoft Limited. All Rights Reserved.
OriginalFilename: Installer.exe
ProductName: Web Companion Installer
Translation: 0x0409 0x04b0

PUP.Optional.WebCompanion also known as:

How to remove PUP.Optional.WebCompanion?

• 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.