PUA

Win32:InstallMonstr-OJ [PUP] removal

Malware Removal

The Win32:InstallMonstr-OJ [PUP] 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 Win32:InstallMonstr-OJ [PUP] virus can do?

  • Attempts to connect to a dead IP:Port (1 unique times)
  • Creates RWX memory
  • Reads data out of its own binary image
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic
  • Performs some HTTP requests
  • The binary likely contains encrypted or compressed data.
  • Detects the presence of Wine emulator via function name
  • Queries information on disks, possibly for anti-virtualization
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
  • Exhibits possible ransomware file modification behavior
  • Collects information about installed applications
  • Creates a hidden or system file
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization
  • Detects VirtualBox through the presence of a registry key
  • Anomalous binary characteristics

Related domains:

discriminate.blockey.ru
ec2-34-253-181-128.eu-west-1.compute.amazonaws.com

How to determine Win32:InstallMonstr-OJ [PUP]?


File Info:

crc32: 7AAF0ED3
md5: 31edbe44d05a39e2294b54dffaae48e5
name: 31EDBE44D05A39E2294B54DFFAAE48E5.mlw
sha1: 85733eb0f1ae0c2bf2043e578622064821a34e72
sha256: 5b523766636d2564995c7c6c0a5ad49de09befa9e713281251a97900c1ac8ec6
sha512: fb387a7fc2659f588ba000d87f21061c925f4f54ad23ac459dc2246a7d60f8d413e5c72045e463093527e6c5f461904ccf72f816a16de908962d834ed59c127a
ssdeep: 49152:6AD9phiQ4NDFh1RS3q+vAssSRsj0Zuur1T75YCgrmNtqL0LnG+v98X:6ahsNDFs6qApdJg1GrmNtIl+2
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

ProductVersion: 5.2.2.10
ProductName: Windows apps
FileVersion: 5.2.2.10
Comments:
FileDescription: Windows app
Translation: 0x0409 0x04e4

Win32:InstallMonstr-OJ [PUP] also known as:

Elasticmalicious (high confidence)
MicroWorld-eScanGen:Application.InstallMonster.1
CAT-QuickHealAdware.InstallMonster.E8
ALYacGen:Application.InstallMonster.1
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforMalware
K7AntiVirusAdware ( 00519f1e1 )
BitDefenderGen:Application.InstallMonster.1
K7GWAdware ( 00519f1e1 )
Cybereasonmalicious.4d05a3
BitDefenderThetaAI:Packer.630AE8B020
CyrenW32/InstallMonster.KG.gen!Eldorado
SymantecTrojan Horse
APEXMalicious
AvastWin32:InstallMonstr-OJ [PUP]
ClamAVWin.Malware.Agent-6598770-0
Kasperskynot-a-virus:HEUR:AdWare.Win32.Generic
AlibabaAdWare:Win32/InstallMonstr.eac4da20
NANO-AntivirusTrojan.Win32.InstallMonster.euxpvo
AegisLabTrojan.Win32.Generic.4!c
RisingAdware.InstallMonstr!1.A3B8 (CLASSIC)
Ad-AwareGen:Application.InstallMonster.1
EmsisoftGen:Application.InstallMonster.1 (B)
ComodoApplication.Win32.InstallMonster.TN@7g2wfa
F-SecureAdware.ADWARE/InstMonster.Gen7
DrWebTrojan.InstallMonster.2419
ZillyaTool.InstallMonster.Win32.232
TrendMicroHT_INSTALLMONSTER_GK140005.UVPM
McAfee-GW-EditionBehavesLike.Win32.AdwareIMonster.wc
FireEyeGeneric.mg.31edbe44d05a39e2
SophosInstall Monster (PUA)
SentinelOneStatic AI – Malicious PE – Installer
AviraADWARE/InstMonster.Gen7
MAXmalware (ai score=100)
Antiy-AVLGrayWare[AdWare]/Win32.DLBoost
MicrosoftProgram:Win32/Wacapew.C!ml
ArcabitApplication.InstallMonster.1
ZoneAlarmnot-a-virus:HEUR:AdWare.Win32.Generic
GDataWin32.Application.InstallMonstr.V
CynetMalicious (score: 100)
AhnLab-V3PUP/Win32.InstMonster.R212825
Acronissuspicious
McAfeePUP-GSU
VBA32AdWare.DLBoost
MalwarebytesGeneric.Trojan.Malicious.DDS
PandaTrj/Genetic.gen
ESET-NOD32a variant of Win32/InstallMonstr.UD potentially unwanted
TrendMicro-HouseCallHT_INSTALLMONSTER_GK140005.UVPM
TencentMalware.Win32.Gencirc.10b611f3
YandexTrojan.GenAsa!SJln0pz0s5U
IkarusAdWare.BundleApp
eGambitUnsafe.AI_Score_100%
FortinetRiskware/InstallMonstr
MaxSecureTrojan.Malware.300983.susgen
AVGWin32:InstallMonstr-OJ [PUP]
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_100% (D)
Qihoo-360Win32/Application.64a

How to remove Win32:InstallMonstr-OJ [PUP]?

Win32:InstallMonstr-OJ [PUP] 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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