Categories: PUA

PUP.Optional.Firseria removal tips

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

  • Reads data out of its own binary image
  • Network activity detected but not expressed in API logs
  • Anomalous binary characteristics

How to determine PUP.Optional.Firseria?


File Info:

crc32: 55FFCA20md5: cfc04450e18c661d0240d5b9f6c6d8f4name: CFC04450E18C661D0240D5B9F6C6D8F4.mlwsha1: f7cfff8759f3065cba7a683087982ee25a8c5909sha256: ddf35425d1ff9693ba998b01805456b87c6b62b00f0da84193b1d31a0808df5asha512: dd81132149035882137cda1dea49aab46cc05cdd6eea67099778339f5451e48dce424692d91106d743e167ceccafd3699c48135ee96a6dcf74ca84ebe2df39c7ssdeep: 6144:Tmzdk/elYh4oC+gYGPp6XgH6EojQkZ8SWCF0utZ93s:TCkWlYh4oG1PppaEojQkZ8VeZ93stype: MS-DOS executable, MZ for MS-DOS

Version Info:

LegalCopyright: Copyright (c)2013InternalName: Install FileVersion: 1.0.0.13CompanyName: xb7Firseriaxb7slxb7ProductVersion: 1.0.0.13FileDescription: OriginalFilename: installer.exe Translation: 0x0000 0x04b0

PUP.Optional.Firseria also known as:

Bkav W32.AIDetectVM.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Application.Bundler.Firseria.1
FireEye Generic.mg.cfc04450e18c661d
CAT-QuickHeal Downloader.Solimba.12914
Qihoo-360 Win32/Virus.Downloader.e10
ALYac Gen:Application.Bundler.Firseria.1
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
AegisLab Riskware.Win32.Generic.1!c
Sangfor Malware
K7AntiVirus Trojan ( 0052964f1 )
BitDefender Gen:Application.Bundler.Firseria.1
K7GW Trojan ( 0052964f1 )
Cybereason malicious.0e18c6
BitDefenderTheta Gen:NN.ZexaF.34804.Eq0@aq86hzki
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/FirseriaInstaller.A potentially unwanted
Baidu Win32.Adware.Firseria.a
APEX Malicious
Avast Win32:Morstar-B [PUP]
ClamAV Win.Dropper.Generic-7113183-0
Kaspersky not-a-virus:HEUR:Downloader.Win32.Generic
NANO-Antivirus Trojan.Win32.FirseriaInstaller.faztsx
Tencent Trojan.Win32.DL.Morstar.a
Ad-Aware Gen:Application.Bundler.Firseria.1
Emsisoft Gen:Application.Bundler.Firseria.1 (B)
Comodo Application.Win32.Solimba.UET@56mdqh
F-Secure PotentialRisk.PUA/Patched.Ren
DrWeb Trojan.DownLoader10.30080
Zillya Downloader.Firser.Win32.35
TrendMicro HT_BUNDLER_GA310340.UVPM
McAfee-GW-Edition BehavesLike.Win32.Generic.gm
Sophos Generic ML PUA (PUA)
SentinelOne Static AI – Malicious PE – Adware
Jiangmin Downloader.Solimba.c
Avira PUA/Patched.Ren.Gen
Antiy-AVL RiskWare[Downloader]/Win32.Firser
Microsoft PUA:Win32/Solimba
Arcabit Application.Bundler.Firseria.1
AhnLab-V3 PUP/Win32.Firseria.R116472
ZoneAlarm not-a-virus:HEUR:Downloader.Win32.Generic
GData Gen:Application.Bundler.Firseria.1
Cynet Malicious (score: 100)
Acronis suspicious
McAfee Artemis!CFC04450E18C
MAX malware (ai score=71)
VBA32 Trojan.Downloader
Malwarebytes PUP.Optional.Firseria
Panda Trj/Genetic.gen
TrendMicro-HouseCall HT_BUNDLER_GA310340.UVPM
Rising PUF.FirseriaInstaller!1.9C53 (RDMK:cmRtazplQmtelX+aPjJXfFQ7hOz2)
Yandex Trojan.GenAsa!12uww/2GBas
Ikarus PUA.FirseriaInstaller
eGambit Trojan.Generic
Fortinet Adware/Firseria
AVG Win32:Morstar-B [PUP]
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (D)
MaxSecure Trojan.DownloadMR

How to remove PUP.Optional.Firseria?

  • 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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Paul Valéry

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