Backdoor

Backdoor:Win32/Buterat.C!bit removal

Malware Removal

The Backdoor:Win32/Buterat.C!bit 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.
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What Backdoor:Win32/Buterat.C!bit virus can do?

  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • Expresses interest in specific running processes
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • 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 language used in binary resources: Chinese (Simplified)
  • Network activity contains more than one unique useragent.
  • Installs itself for autorun at Windows startup
  • Checks the CPU name from registry, possibly for anti-virtualization
  • Attempts to modify browser security settings

Related domains:

ip.sap1000.com
ts1.liuliangbao.cn
as1.liuliangbao.cn
cltres.liuliangbao.cn

How to determine Backdoor:Win32/Buterat.C!bit?


File Info:

crc32: C5DFEF5F
md5: b4f8cae2b5419135da77e2ea800a4c73
name: 19.exe
sha1: 4c54b3a6b71f5e6b337f62262bc425bbfd7f57fa
sha256: 85ce59b35f0ca34aee5442890f7f003795e48cef9b16a6050eccfd2e2692d745
sha512: 1e1a8d7ea03a63948e1676a16b716b7e339194d146cec3c690f420f7d2f3dd9e8794cbf1009691817e4a0d82d0ffb185d12f0d05e611ac415e14a30c91330e46
ssdeep: 24576:6EJG2a5pexxtPkMaJXiAbIKfb7VbcLRPlTruMTnGrr:tG2ep0oMmXiAbIwpbcLRPlTyMLGrr
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: x7248x6743x6240x6709 (C) 2011
InternalName: Microsoft
FileVersion: 1.1.82.813
CompanyName: www.microsoft.com
ProductName: Microsoft
ProductVersion: 1.1.82.813
FileDescription: x6807x51c6MFCx7a0bx5e8f
OriginalFilename: Microsoft
Translation: 0x0000 0x04b0

Backdoor:Win32/Buterat.C!bit also known as:

DrWebTrojan.DownLoader26.59979
MicroWorld-eScanGen:Variant.Mikey.87575
CAT-QuickHealTrojan.Mauvaise.SL1
McAfeeGenericRXGG-XH!B4F8CAE2B541
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
AegisLabAdware.Win32.Liuliangbao.2!c
SangforMalware
K7AntiVirusAdware ( 005088371 )
BitDefenderGen:Variant.Mikey.87575
K7GWAdware ( 005088371 )
Cybereasonmalicious.2b5419
BitDefenderThetaGen:NN.ZexaF.34126.dv0@a028BPgj
SymantecML.Attribute.HighConfidence
APEXMalicious
AvastWin32:Malware-gen
GDataGen:Variant.Mikey.87575
Kasperskynot-a-virus:AdWare.Win32.Liuliangbao.ei
AlibabaBackdoor:Win32/Buterat.f590f55e
NANO-AntivirusRiskware.Win32.Liuliangbao.galmty
TencentMalware.Win32.Gencirc.10b1cbc8
Ad-AwareGen:Variant.Mikey.87575
EmsisoftGen:Variant.Mikey.87575 (B)
F-SecureHeuristic.HEUR/AGEN.1126920
ZillyaTrojan.GenericKD.Win32.131866
Invinceaheuristic
Trapminemalicious.high.ml.score
FireEyeGeneric.mg.b4f8cae2b5419135
SophosGeneric PUA EM (PUA)
IkarusPUA.Liuliangbao
JiangminAdWare.Liuliangbao.ad
MaxSecureTrojan.Malware.73626446.susgen
AviraHEUR/AGEN.1126920
MAXmalware (ai score=80)
Antiy-AVLGrayWare[AdWare]/Win32.Liuliangbao
Endgamemalicious (high confidence)
ArcabitTrojan.Mikey.D15617
SUPERAntiSpywareAdware.Liuliangbao/Variant
ZoneAlarmnot-a-virus:AdWare.Win32.Liuliangbao.ei
MicrosoftBackdoor:Win32/Buterat.C!bit
AhnLab-V3Adware/Win32.Liuliangbao.C2632362
Acronissuspicious
VBA32BScope.Trojan.Downloader
ALYacGen:Variant.Mikey.87575
PandaTrj/Genetic.gen
ESET-NOD32a variant of Win32/Liuliangbao.C potentially unwanted
RisingBackdoor.Buterat!8.403 (CLOUD)
YandexPUA.Liuliangbao!
SentinelOneDFI – Suspicious PE
eGambitUnsafe.AI_Score_100%
FortinetAdware/Liuliangbao
AVGWin32:Malware-gen
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_90% (W)
Qihoo-360HEUR/QVM10.2.7DDD.Malware.Gen

How to remove Backdoor:Win32/Buterat.C!bit?

Backdoor:Win32/Buterat.C!bit 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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