Categories: PUA

PUP.Optional.ToolbarInstaller malicious file

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

  • Creates RWX memory
  • Dynamic (imported) function loading detected
  • Unconventionial language used in binary resources: Russian
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • Anomalous binary characteristics

How to determine PUP.Optional.ToolbarInstaller?


File Info:

name: 7AA0D5EBEA7B893F2F4D.mlwpath: /opt/CAPEv2/storage/binaries/2dc065ba8ac2c1f2afb09de3c41e97eda870b3de1773e0a35541fc53964b6999crc32: 2DD8C0AFmd5: 7aa0d5ebea7b893f2f4db8e4fb57e05fsha1: 563990f731f2bd4b9b9e9ce4080c3584cb1ef225sha256: 2dc065ba8ac2c1f2afb09de3c41e97eda870b3de1773e0a35541fc53964b6999sha512: a37b67785a4fd71ded4bc8a8fe7cec58676dec8f8cb5db9477b2e466630d27757e8a4d54be4248b6fdc5f5f8f904ec191a3a67084e8e6b11e06823423d1f9febssdeep: 12288:iiQ9x/uo0w6aii2jqTwsXdJ8K77tUOwJBfNyI9ui:i9xjZ6AGawOJ8QtU/JBfNltype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1C6E45D22F2B14473C173263C9D6B67A8982ABE103E28BD4A7BE45D8C4F3974174752E7sha3_384: 720bbe2d6ee9050189d78c52bc4e9cf1807eaf883770c48df26c180a6e8c16becbb4fbc03fbe403bf154bfa94b272273ep_bytes: 558bec83c4f0b8b4414900e80c27f7fftimestamp: 1992-06-19 22:22:17

Version Info:

0: [No Data]

PUP.Optional.ToolbarInstaller also known as:

Lionic Trojan.Win32.Prizona.a!c
MicroWorld-eScan Gen:Variant.Zusy.374615
McAfee GenericR-PML!7AA0D5EBEA7B
Cylance Unsafe
Zillya Adware.Toolbar.Win32.9869
K7AntiVirus Adware ( 005596e61 )
Alibaba TrojanDownloader:Win32/Prizona.a019f4e0
K7GW Adware ( 005596e61 )
Cybereason malicious.bea7b8
BitDefenderTheta Gen:NN.ZelphiF.34084.RGW@amQ0vDoc
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Adware.Toolbar.Webalta.IF
TrendMicro-HouseCall TROJ_GEN.R002C0PL421
Paloalto generic.ml
Kaspersky UDS:Trojan-Downloader.Win32.Prizona.gen
BitDefender Gen:Variant.Zusy.374615
NANO-Antivirus Riskware.Win32.Toolbar.gegock
SUPERAntiSpyware Trojan.Agent/Gen-Dropper
Avast Win32:FakeSoft-F [Trj]
Ad-Aware Gen:Variant.Zusy.374615
Sophos Mal/Generic-S
VIPRE Trojan.Win32.Generic!BT
TrendMicro TROJ_GEN.R002C0PL421
McAfee-GW-Edition GenericR-PML!7AA0D5EBEA7B
FireEye Generic.mg.7aa0d5ebea7b893f
Emsisoft Gen:Variant.Zusy.374615 (B)
Ikarus PUA.Toolbar.Webalta
GData Gen:Variant.Zusy.374615
Avira ADWARE/WebAlta.hpdmi
Antiy-AVL Trojan/Generic.ASMalwS.2B1120D
Gridinsoft Ransom.Win32.Sabsik.sa
Microsoft Trojan:Win32/Sabsik.FL.B!ml
Cynet Malicious (score: 99)
AhnLab-V3 Trojan/Win.PML.R456451
VBA32 BScope.Adware.Agent
ALYac Gen:Variant.Zusy.374615
Malwarebytes PUP.Optional.ToolbarInstaller
APEX Malicious
Tencent Malware.Win32.Gencirc.10ba1db0
Yandex PUA.Agent!Nr2ql2hyu+Q
MAX malware (ai score=85)
eGambit Unsafe.AI_Score_99%
Fortinet W32/Banload.YDKK!tr
AVG Win32:FakeSoft-F [Trj]
Panda Trj/GdSda.A
MaxSecure Trojan.Malware.74221614.susgen

How to remove PUP.Optional.ToolbarInstaller?

  • 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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