Trojan

Trojan.Inject.BBJ (B) removal

Malware Removal

The Trojan.Inject.BBJ (B) 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 Trojan.Inject.BBJ (B) virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Possible date expiration check, exits too soon after checking local time
  • Dynamic (imported) function loading detected
  • Performs HTTP requests potentially not found in PCAP.
  • HTTPS urls from behavior.
  • Enumerates running processes
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • Behavioural detection: Injection (Process Hollowing)
  • Executed a process and injected code into it, probably while unpacking
  • Behavioural detection: Injection (inter-process)
  • Network activity contains more than one unique useragent.
  • Installs itself for autorun at Windows startup
  • Likely virus infection of existing system binary
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization
  • Attempts to modify proxy settings
  • Collects information to fingerprint the system

How to determine Trojan.Inject.BBJ (B)?


File Info:

name: 3268D0925BA9F21475C3.mlw
path: /opt/CAPEv2/storage/binaries/259c361e5601f454429fe5ad00fa2f4219a130aea6d02379fdb0b388dfccef87
crc32: 758B0280
md5: 3268d0925ba9f21475c3716a7d8f171b
sha1: aca650241de16fe3346583a6fdf6ace3d0846a36
sha256: 259c361e5601f454429fe5ad00fa2f4219a130aea6d02379fdb0b388dfccef87
sha512: 6e62de01db919f3921db99778b14e32b4a787c77810eb856e0a7a6799151e4239880bbded68404619f1023450d4ced9f65a3b9b62b322bb62852b35eb09fc505
ssdeep: 6144:aX9WDuAUunIwqvlQw+Dw6ymsThLcjsKYiDBe4Sdz66RNrcT+JQUOjn4qoyv7gHJp:AWDav5+DfymaPaA4gz6gNgT0533HJp
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1FAA412272D65D057F222CB31D8AAAFE4A6B7ED031B200AAB97D49D1C7C75F148901F6C
sha3_384: 1251f225efd6d8ef9cbabc35e2950e15cc23a350a7ebd8c2031749defa7a97834f536f8eda1f5084b0d012c9e4ded745
ep_bytes: 558bec6aff68a88a400068a462400064
timestamp: 2016-04-17 16:28:08

Version Info:

Comments:
CompanyName:
FileDescription: Chess
FileVersion: 1, 0, 0, 1
InternalName: Chess
LegalCopyright: Copyright ? 2016
LegalTrademarks:
OriginalFilename: Chess.exe
PrivateBuild:
ProductName: Chess
ProductVersion: 1, 0, 0, 1
SpecialBuild:
Translation: 0x040f 0x04e4

Trojan.Inject.BBJ (B) also known as:

BkavW32.AIDetect.malware2
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.Inject.BBJ
FireEyeGeneric.mg.3268d0925ba9f214
CAT-QuickHealRansom.Tescrypt.A4
McAfeeGamarue-FEW!3268D0925BA9
CylanceUnsafe
ZillyaBackdoor.Androm.Win32.34051
K7AntiVirusRiskware ( 0040eff71 )
K7GWRiskware ( 0040eff71 )
Cybereasonmalicious.25ba9f
SymantecRansom.Cryptolocker
ESET-NOD32a variant of Win32/Injector.CWWE
APEXMalicious
KasperskyBackdoor.Win32.Androm.jmbe
BitDefenderTrojan.Inject.BBJ
NANO-AntivirusTrojan.Win32.Encoder.elwfza
AvastWin32:Malware-gen
TencentMalware.Win32.Gencirc.10bf8ca7
Ad-AwareTrojan.Inject.BBJ
SophosML/PE-A + Mal/Zbot-UM
ComodoTrojWare.Win32.Kelihos.CX@6d4269
DrWebTrojan.Encoder.4480
VIPRETrojan.Win32.Injector.cdgy (v)
TrendMicroTROJ_OBFUSCATOR_FE17047C.UVPM
McAfee-GW-EditionGamarue-FEW!3268D0925BA9
EmsisoftTrojan.Inject.BBJ (B)
JiangminBackdoor.Androm.gsk
AviraHEUR/AGEN.1126014
Antiy-AVLTrojan[Backdoor]/Win32.Androm
MicrosoftTrojan:Win32/Sabsik.FL.B!ml
ArcabitTrojan.Inject.BBJ
ViRobotTrojan.Win32.Agent.428666
GDataTrojan.Inject.BBJ
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win32.Inject.C1387059
BitDefenderThetaGen:NN.ZexaF.34062.Dq3@a4rmf7eb
ALYacTrojan.Inject.BBJ
MAXmalware (ai score=86)
VBA32BScope.Trojan.Encoder
MalwarebytesSpyware.Boaxxe
TrendMicro-HouseCallTROJ_OBFUSCATOR_FE17047C.UVPM
RisingTrojan.Generic@ML.94 (RDML:jRZoKKMmSk7YmI6pA0qRKA)
YandexTrojan.GenAsa!/lBhHpWui3g
IkarusTrojan.Win32.Injector
eGambitUnsafe.AI_Score_100%
FortinetW32/Injector.CWWE!tr
AVGWin32:Malware-gen
PandaTrj/Genetic.gen
CrowdStrikewin/malicious_confidence_80% (D)

How to remove Trojan.Inject.BBJ (B)?

Trojan.Inject.BBJ (B) 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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