PUP.Optional.TweakBit removal guide

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

• Executable code extraction
• At least one process apparently crashed during execution
• Presents an Authenticode digital signature
• Creates RWX memory
• 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
• Unconventionial language used in binary resources: Russian
• Checks the version of Bios, possibly for anti-virtualization
• Attempts to modify proxy settings
• Attempts to create or modify system certificates
• Collects information to fingerprint the system

Related domains:

How to determine PUP.Optional.TweakBit?

File Info:
crc32: 8081159B
md5: 1799ff3584a18af171d28206c5f02c56
name: win38991.exe
sha1: 9b3eeddb9d548eee2203419e34b3328cba07799e
sha256: 06a0fc20b9a39c2b4f1b75e402c97a244934c1cb285765b39c20dc86d0bb9212
sha512: cbfa61654cdd24c5656f0a6f047124fc34cab10ba37543a990e75cf86a88e89f21831f977963b95f66201d49def8f0c875a61903dd1cc9e6611e38e8cca0314c
ssdeep: 393216:xNoNH5QQnOFibmuwCfGPqLZ9NmCPUNrd0Iw9e7Ls/LSI:xLQnO0b3FO+3mTgvmI
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:
LegalCopyright: Copyright xa9 2013-2019 TweakBit Pty Ltd
FileVersion: 2.2.1.52496
CompanyName: TweakBit
Comments: Driver Updater
ProductName: Driver Updater
ProductVersion: 2.x
FileDescription: TweakBit Driver Updater Installation File
OriginalFileName: TweakBit-driver-updater-setup.exe
Translation: 0x0000 0x04b0

PUP.Optional.TweakBit also known as:

How to remove PUP.Optional.TweakBit?

• 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.