PUA

What is “PUP.Optional.Dropper”?

Malware Removal

The PUP.Optional.Dropper 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.

GridinSoft Anti-Malware

Gridinsoft Anti-Malware

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.
6-day free trial available.

What PUP.Optional.Dropper virus can do?

  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Creates RWX memory
  • Reads data out of its own binary image
  • Unconventionial language used in binary resources: Russian
  • The binary likely contains encrypted or compressed data.
  • Executed a process and injected code into it, probably while unpacking

Related domains:

z.whorecord.xyz
a.tomx.xyz

How to determine PUP.Optional.Dropper?


File Info:

crc32: B55D4996
md5: 30d5d612339d12a0911142bbe66c1eea
name: 30D5D612339D12A0911142BBE66C1EEA.mlw
sha1: af572590f8d1c9d85b74d7b432c71834fe3372e2
sha256: d8688c457e4f3366f9c1ff227e6cff35d40125d37b24c8aa20ae09b60c31e91d
sha512: 6e7bfd2e0e4a4b51486a4ba8a3e2f8227c63ad0bdc3da7cafd314e09e228eda20fbb026d72a2729663f96c36547bfbae036994b4a98df0aaa2893ba94f1a27ff
ssdeep: 98304:KBzbwn1kjyS4kZraPOPfy6gs6076VKmdXOyrRif6zeTqXd3jFcYEa:iPOS4irqO76VKmdXO9fC3jFcYE
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

FileVersion: 1.0.0.0
ProductVersion: 1.0.0.0
Translation: 0x0409 0x04e4

PUP.Optional.Dropper also known as:

Elasticmalicious (high confidence)
CynetMalicious (score: 99)
ALYacGen:Variant.Strictor.262598
CylanceUnsafe
SangforTrojan.Win32.Agent.nil
CrowdStrikewin/malicious_confidence_60% (D)
Cybereasonmalicious.0f8d1c
BaiduWin32.Trojan-Dropper.Injector.d
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Hoax.ArchSMS.AHE.Gen
APEXMalicious
AvastFileRepMalware [PUP]
Kasperskynot-a-virus:HEUR:Downloader.Win32.Monstruos.gen
BitDefenderGen:Variant.Strictor.262598
NANO-AntivirusTrojan.Win32.Inject.deifrs
MicroWorld-eScanGen:Variant.Strictor.262598
Ad-AwareGen:Variant.Strictor.262598
SophosGeneric PUA KP (PUA)
ComodoApplicUnwnt.Win32.Hoax.ArchSMS.AHBA@5bjlju
BitDefenderThetaGen:NN.ZelphiF.34294.@R0@aerZlrdk
McAfee-GW-EditionBehavesLike.Win32.Generic.wc
FireEyeGeneric.mg.30d5d612339d12a0
EmsisoftGen:Variant.Strictor.262598 (B)
SentinelOneStatic AI – Suspicious PE
AviraTR/Fraud.Gen7
KingsoftWin32.Troj.DownMonstruo.ao.(kcloud)
MicrosoftTrojan:Win32/Wacatac.B!ml
GDataGen:Variant.Strictor.262598
McAfeeArtemis!30D5D612339D
MAXmalware (ai score=89)
MalwarebytesPUP.Optional.Dropper
PandaTrj/Genetic.gen
IkarusHoax.Win32.ArchSMS
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/Injector.BKAZ!tr
AVGFileRepMalware [PUP]

How to remove PUP.Optional.Dropper?

PUP.Optional.Dropper 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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