Malware

Win32/Kaobeitu.D potentially unwanted (file analysis)

Malware Removal

The Win32/Kaobeitu.D potentially unwanted 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 Win32/Kaobeitu.D potentially unwanted virus can do?

  • Presents an Authenticode digital signature
  • Creates RWX memory
  • Attempts to connect to a dead IP:Port (5 unique times)
  • A process created a hidden window
  • Drops a binary and executes it
  • 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)
  • The binary likely contains encrypted or compressed data.
  • Tries to suspend Cuckoo threads to prevent logging of malicious activity
  • A process attempted to delay the analysis task by a long amount of time.
  • Tries to unhook or modify Windows functions monitored by Cuckoo
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Installs itself for autorun at Windows startup
  • Collects information about installed applications
  • Checks the version of Bios, possibly for anti-virtualization
  • Checks the CPU name from registry, possibly for anti-virtualization
  • Attempts to modify proxy settings
  • Collects information to fingerprint the system
  • Anomalous binary characteristics

Related domains:

z.whorecord.xyz
a.tomx.xyz
softlog.bsrbt.com
i.bsrbt.com
download.zzb6.cn
www.wyptk.com
bsrkt.com
farhkvje.cn
diy.doumaibiji.cn
js.swfw2016.com

How to determine Win32/Kaobeitu.D potentially unwanted?


File Info:

crc32: 98F6A784
md5: 78cb74244c2c5f41c73c6d2472c59581
name: setup_faststart_faststart2204nodkpk_v1.0_silent.exe
sha1: ccdaacd40901c658c76bb470fa8df5ae46fb5a22
sha256: 1db724fe6ab5cf5bd8e5cdceec0b711caea8e2b1aaae21ab442c0c693f314011
sha512: 3469ebcbfeb51505aa3408ecc514ead0dcc62dff05ba014a056d31488d9098af9f049a92814fb6fb325fa5db7607c5a07c5186d207174908db3b9b3b119ebf76
ssdeep: 196608:2NCIRFVttCwMwH81Uw8WyWtN8wRA41YkCBvyOklNBfyZKRNpCqB:mttUwH81Uw8l6N8aA41YkCvQNBAKRDC
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2019 x4e0ax9976x98cex4e91x7f51x7edcx79d1x6280x6709x9650x516cx53f8
InternalName: Setup.exe
CompanyName: x4e0ax9976x98cex4e91x7f51x7edcx79d1x6280x6709x9650x516cx53f8
ProductName: Faststart
ProductVersion: 1.0.0.1
FileDescription: Faststartx5b89x88c5x7a0bx5e8f
OriginalFilename: Setup.exe
Translation: 0x0804 0x04b0

Win32/Kaobeitu.D potentially unwanted also known as:

MicroWorld-eScanTrojan.GenericKD.33876074
FireEyeGeneric.mg.78cb74244c2c5f41
McAfeeArtemis!78CB74244C2C
ALYacTrojan.GenericKD.33876074
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
AegisLabAdware.Win32.ComponentBased.2!c
SangforMalware
K7AntiVirusAdware ( 0055b1e81 )
BitDefenderTrojan.GenericKD.33876074
K7GWAdware ( 0055b1e81 )
F-ProtW32/Downloader.K.gen!Eldorado
SymantecTrojan.Gen.MBT
ESET-NOD32a variant of Win32/Kaobeitu.D potentially unwanted
APEXMalicious
AvastWin32:Malware-gen
GDataTrojan.GenericKD.33876074
Kasperskynot-a-virus:AdWare.Win32.ComponentBased.g
AlibabaAdWare:Win32/ComponentBased.b0c4313f
NANO-AntivirusRiskware.Win32.WDJiange.hjcxme
RisingAdware.Agent!1.BAC4 (CLOUD)
Endgamemalicious (high confidence)
F-SecureAdware.ADWARE/WDJiange.rlham
DrWebAdware.WDJiange.60
Invinceaheuristic
EmsisoftTrojan.GenericKD.33876074 (B)
IkarusTrojan-Downloader.Win32.Adload
CyrenW32/Downloader.K.gen!Eldorado
AviraADWARE/WDJiange.yqypc
ArcabitTrojan.Generic.D204E86A
ZoneAlarmnot-a-virus:AdWare.Win32.ComponentBased.g
MicrosoftPUA:Win32/CoinMiner
CynetMalicious (score: 85)
VBA32BScope.TrojanDownloader.Adload
MAXmalware (ai score=86)
Ad-AwareTrojan.GenericKD.33876074
PandaTrj/CI.A
YandexRiskware.Agent!
eGambitUnsafe.AI_Score_88%
FortinetRiskware/Kaobeitu
WebrootW32.Adware.Gen
AVGWin32:Malware-gen
Paloaltogeneric.ml

How to remove Win32/Kaobeitu.D potentially unwanted?

Win32/Kaobeitu.D potentially unwanted 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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