PUP.Optional.WebCompanion information

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: E08C0B5C25E252BE080F.mlw
path: /opt/CAPEv2/storage/binaries/f05ab27af00fd794439b82fe0def9cb6d211e8be03d98e0d0f6fb7935b3ed829
crc32: 846B9464
md5: e08c0b5c25e252be080f1b322bde4437
sha1: 3c173d6a61707502dc0c304672299d6ca943952f
sha256: f05ab27af00fd794439b82fe0def9cb6d211e8be03d98e0d0f6fb7935b3ed829
sha512: 2b4087d5b6f26775f3496cf1bca66543132a633ec2cf0e9e9e2d41078f1c0a27f85d0c47fde5a1e6b2c3b9ac0ae15b65488249b092afcf2330f196de19ef5a94
ssdeep: 12288:xG5knZfFKerJ6pW21Cg/f35Q5911xbBBKTYGXYm4FYoZHYtIXL:xG50ZfFKUYw21XX3EN3K3J4DgIXL
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1BDC4F1127EE189BAD5420131C974AFE5E2F5FE161E21946333993E3E3F3A542C132A5E
sha3_384: b9e4952c540128ab053cc7cb1c11da929d37b662afb9f03c80f73a8c3833c41e0b1d7e8e2c7f0615121e0652ea7bfbb6
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.