Categories: PUA

PUP.Optional.ExtensionInstaller information

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

  • A process attempted to delay the analysis task.
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • Network activity detected but not expressed in API logs
  • Anomalous binary characteristics

Related domains:

z.whorecord.xyz
a.tomx.xyz

How to determine PUP.Optional.ExtensionInstaller?


File Info:

crc32: BC189C17md5: 5b9a29ce81bd15c850f931a3b96a4f36name: 5B9A29CE81BD15C850F931A3B96A4F36.mlwsha1: 8fff5695132a42d73bb98b2bea44a2874fa4dfd4sha256: 2df040f0eb71acf8d02e783def03191387eacb70f43a8048e1b8e2c672914b9csha512: 29a5a75d9b492f9814aa43a4baba98548bc602e6f436be08ca0b8f2432aaa44887eb6a06cbb6bb462cd713159d27210c55382792bd2725c2755dcb3fd47ff6d1ssdeep: 12288:dq/JY0TTiF9j49cDLrV9MiEd9Wjhtma+rZJ/VYlsKCEd9Wjhtma+rZJ/VYlsKCr:ey14ALrVGyhT+HGuKJyhT+HGuK0type: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

LegalCopyright: QwcFileDescription: ZppTranslation: 0x0409 0x04b0

PUP.Optional.ExtensionInstaller also known as:

Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 005212511 )
Lionic Trojan.Win32.Generic.4!c
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
ALYac Dropped:Trojan.Generic.22766687
K7GW Trojan ( 005212511 )
Cybereason malicious.e81bd1
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/SearchPage.B
APEX Malicious
Avast Win32:Malware-gen
BitDefender Dropped:Trojan.Generic.22766687
NANO-Antivirus Trojan.Win32.SearchPage.ewxwwo
MicroWorld-eScan Dropped:Trojan.Generic.22766687
Tencent Win32.Trojan.Generic.Syik
Ad-Aware Dropped:Trojan.Generic.22766687
Sophos Mal/Generic-S
Comodo Malware@#ndwbyb7m7via
BitDefenderTheta Gen:NN.ZexaF.34170.PC0@aGq0@Tdi
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.ICLoader.jc
FireEye Generic.mg.5b9a29ce81bd15c8
Emsisoft Dropped:Trojan.Generic.22766687 (B)
SentinelOne Static AI – Malicious PE
Avira HEUR/AGEN.1117983
Microsoft Ransom:Win32/StopCrypt!ml
GData Dropped:Trojan.Generic.22766687
McAfee Artemis!5B9A29CE81BD
MAX malware (ai score=80)
Malwarebytes PUP.Optional.ExtensionInstaller
Panda Trj/CI.A
Rising Trojan.Generic@ML.86 (RDML:7povfAkN8U/YLvxffBUYpQ)
Yandex Trojan.SearchPage!fNeOPDNAXVw
Fortinet W32/SearchPage.B!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove PUP.Optional.ExtensionInstaller?

  • 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.
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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