Categories: Malware

Downloader.Win32.Agent.mjbf removal

The Downloader.Win32.Agent.mjbf 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 Downloader.Win32.Agent.mjbf virus can do?

  • Executable code extraction
  • Presents an Authenticode digital signature
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • 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
  • Unconventionial binary language: Chinese (Simplified)
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • Queries information on disks, possibly for anti-virtualization
  • Attempts to modify proxy settings
  • Anomalous binary characteristics

Related domains:

z.whorecord.xyz
a.tomx.xyz
query.kuai8box.com
icon.kuai8box.com

How to determine Downloader.Win32.Agent.mjbf?


File Info:

crc32: E57DAC84md5: b796fdf611c888843c87e7aaf38ca3e9name: ____________3_c200050_s14g16467.exesha1: f4e8c3d92660c3abe3e42155d2dc9f2295108e6asha256: 54b3cc9d2151a41699badb2885d6bba6f0358786736a9fb47965a13b6cb8b161sha512: 69a72ba8f3720b344b46db44b0d212184b04f98209b5683393f66e4c3737fd78b5de471058db534c5d8f23b59c315400c87ca849a5e81b5fb9954024cabffbbessdeep: 196608:06GQfmXHL+2RTOpNRyE2gezVqxzjpby8uETKU7DW21Rf3zAhPZgpSE8pS3JnzpcR:xGcmXHT4RyeezEzNW8BTz7Sw++JnzmXtype: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

LegalCopyright: x7248x6743x6240x6709 (C)2013 x5947x70abx6b22x4eabFileVersion: 9.0.1.8134CompanyName: x5947x70abx6b22x4eabSpecialBuild: 100102Comments: x5febx5427x6e38x620f v9.0ProductName: x5febx5427x6e38x620fProductVersion: 9.0.1.8134FileDescription: x5febx5427x6e38x620fTranslation: 0x0804 0x03a8

Downloader.Win32.Agent.mjbf also known as:

CAT-QuickHeal Trojan.Kuaiba
McAfee Artemis!B796FDF611C8
Cylance Unsafe
K7AntiVirus Adware ( 005627ab1 )
K7GW Adware ( 005627ab1 )
Invincea heuristic
Symantec ML.Attribute.HighConfidence
Paloalto generic.ml
GData Win32.Application.Agent.A8JNBO
Kaspersky not-a-virus:Downloader.Win32.Agent.mjbf
Alibaba Downloader:Win32/Kuaiba.421c0171
NANO-Antivirus Trojan.Win32.Kuaiba.hnftht
Avast Win32:Adware-gen [Adw]
Rising PUF.Kuaiba!8.F612 (TFE:5:AdZpk4Pbip)
Comodo ApplicUnwnt@#3cfgmr8yojz2m
F-Secure Adware.ADWARE/Kuaiba.tfcgn
Zillya Adware.Kuaiba.Win32.611
TrendMicro TROJ_GEN.R03BC0WF920
Cyren W32/Trojan.XXDB-7849
Avira object
Endgame malicious (high confidence)
ZoneAlarm not-a-virus:Downloader.Win32.Agent.mjbf
Microsoft PUA:Win32/Kuaiba
VBA32 BScope.TrojanDownloader.Banload
Malwarebytes Adware.Kuaiba
ESET-NOD32 a variant of Win32/Adware.Kuaiba.L
TrendMicro-HouseCall TROJ_GEN.R002H0CG620
Yandex PUA.Kuaiba!
Fortinet Riskware/Generic_PUA_AG
AVG Win32:Adware-gen [Adw]
Panda PUP/Adware

How to remove Downloader.Win32.Agent.mjbf?

  • 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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