How to remove “PUP.Optional.PreBackup”?

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

• Creates RWX memory
• Reads data out of its own binary image
• Drops a binary and executes it
• Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
• Installs itself for autorun at Windows startup
• Network activity detected but not expressed in API logs
• Anomalous binary characteristics
• Uses suspicious command line tools or Windows utilities

How to determine PUP.Optional.PreBackup?

File Info:
crc32: 5F7C02DC
md5: 40e76f2a5a17209681006d6987ac1e9d
name: 40E76F2A5A17209681006D6987AC1E9D.mlw
sha1: cd50e5f910dfe4b16fb9f6f471fda1cea66d0bb6
sha256: 6cc2914d591d0c843245795b2c487a1ee964f4086de9a576db759d497248dfd4
sha512: 83aa4670212378e862ac3e01ad51a507f65af76dd494eee5ab3bfe97ee3771ec24b563c9a0cbb93eff4ef9d96a7118d9eca88514d89e085b24cfd4591601fe28
ssdeep: 49152:p+/0G2CzJeRYo8aL3pRuGjMQEEImaxOngpju8ZK76:RyeHL3pRuZQEEFaxOnjV76
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:
0: [No Data]

PUP.Optional.PreBackup also known as:

How to remove PUP.Optional.PreBackup?

• 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.