PUP.Optional.RegDefense (file analysis)

The PUP.Optional.RegDefense 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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Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.

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What PUP.Optional.RegDefense virus can do?

Sample contains Overlay data
Presents an Authenticode digital signature
Reads data out of its own binary image
Authenticode signature is invalid

How to determine PUP.Optional.RegDefense?


File Info:
name: 7C88C77EC3B33621E617.mlw
path: /opt/CAPEv2/storage/binaries/612157561586a60a52f0e448837796d4cce6c412f1c5f0e1b0d75c6b98fd41d7
crc32: 546BFAC6
md5: 7c88c77ec3b33621e6174603518c1afc
sha1: 7ced568323664e2eca7d323835737081c52e9077
sha256: 612157561586a60a52f0e448837796d4cce6c412f1c5f0e1b0d75c6b98fd41d7
sha512: c2166104e5870eef7d35aefe8e79e95a0bdffc6352f0ee95204e4f8e14cb1721f06664184feb594240805f735ba656eecf02d79485d0879786e1f4629f409200
ssdeep: 49152:wSgx5G3cBbZyR5ibjvHKPbb3I8Ppz6p1SOZkjCDqZ2Ms:/gx5GsQsbjvHKPf3I8Ppz/OZZas
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T12DA52212BFE5D1D9D8D480B9290747BD1EB96C236A5117A3EAF0323EDD383129F6B406
sha3_384: eefaf88d05ade9101a14f5b6a098a0b7c7b039c2c95b986d7eaecb2ada6cd126027b5e1eb0fb7422a7f0f8c0538d5bee
ep_bytes: 81ec8001000053555633db57895c2418
timestamp: 2009-12-05 22:50:46

Version Info:
CompanyName: Xionix Inc.
CompanyWebsite: www.regdefense.com
FileDescription: 
FileVersion: 4.1.4.9
LegalCopyright: 
ProductName: RegDefense
ProductVersion: 4.1.4.9
Translation: 0x0000 0x0000

PUP.Optional.RegDefense also known as:

Bkav	W32.Common.85B64306
Cynet	Malicious (score: 100)
McAfee	Artemis!D3465F7864A0
Cylance	unsafe
Zillya	Downloader.IFrameCRTD.Win32.8450
CrowdStrike	win/grayware_confidence_60% (D)
Alibaba	AdWare:Win32/RegDefense.be1d650a
ESET-NOD32	multiple detections
DrWeb	Program.Unwanted.4175
Ikarus	PUA.RegDefense
Webroot	Pua.Xionix.Inc
Xcitium	Malware@#3j3tdxfgpjyus
DeepInstinct	MALICIOUS
Malwarebytes	PUP.Optional.RegDefense
Fortinet	Riskware/RegDefense

How to remove PUP.Optional.RegDefense?

PUP.Optional.RegDefense removal tool

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.

About the author

Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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