Categories: Trojan

What is “TrojanDownloader:Win32/Brantall.B”?

The TrojanDownloader:Win32/Brantall.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 TrojanDownloader:Win32/Brantall.B virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Sample contains Overlay data
  • Presents an Authenticode digital signature
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • The binary likely contains encrypted or compressed data.
  • CAPE detected the shellcode get eip malware family
  • Attempts to interact with an Alternate Data Stream (ADS)
  • Collects information to fingerprint the system
  • Yara detections observed in process dumps, payloads or dropped files

How to determine TrojanDownloader:Win32/Brantall.B?


File Info:

name: A79D6C0349F9ED5F2DA9.mlwpath: /opt/CAPEv2/storage/binaries/0725811763a6c5ec192cef0ee80a55a8e1f608ca8053f786f65eec1480b35f64crc32: C1E23DDEmd5: a79d6c0349f9ed5f2da9bd7956dd8b70sha1: 721673a6b4592b7e4a02fbd15b708d11785b84besha256: 0725811763a6c5ec192cef0ee80a55a8e1f608ca8053f786f65eec1480b35f64sha512: d70320aa1441edebb664667464fb60e3d2eeaa56ed12dfb84beaa817006406e4f8f5d5b8b6211264b7bf01f1ff566e774d6d27cde3cd02163803f265cfa4d87assdeep: 12288:0EGLNNedbx5+dOTv5SKZATRAz5RC1Agi77ZkQyWKPaP0l2RlcYEXGezT:INeZxo4TvAKZAT8uOLyWKRl2EGentype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T130E4E02478C08C3BF2510FB2C4D49A51D96897A1DA30106B62FFF95E5EE3E40675E3AEsha3_384: ad275add5668e3c61fba928e9b4e66519ca149bd6cc7ed9510a83283df8fae99b10fbd96fdd73cbc56d15aaa4f9f9141ep_bytes: e856530000e989feffff8bff558bec53timestamp: 2013-09-03 09:51:48

Version Info:

FileVersion: 15.9.28.27ProductVersion: 15.9.28.27OriginalFilename: installer.exeInternalName: installerFileDescription: InstallerCompanyName: LegalCopyright: Copyright 2012ProductName: InstallerLegalTrademarks: Translation: 0x0409 0x04b0

TrojanDownloader:Win32/Brantall.B also known as:

Bkav W32.AIDetectMalware
Elastic malicious (high confidence)
MicroWorld-eScan Application.Bundler.InstallBrain.A
FireEye Generic.mg.a79d6c0349f9ed5f
CAT-QuickHeal TrojanDownloader.Brantall.A5
Skyhigh PUP-GQY
McAfee PUP-GQY
Cylance unsafe
Zillya Downloader.BrainInst.Win32.9
Sangfor Trojan.Win32.Save.a
K7AntiVirus Unwanted-Program ( 005878b81 )
Alibaba AdWare:Win32/InstallBrain.02ba1b8f
K7GW Unwanted-Program ( 005878b81 )
Cybereason malicious.349f9e
Baidu Win32.Adware.InstallBrain.d
VirIT Adware.Win32.Softango.A
Symantec SMG.Heur!gen
tehtris Generic.Malware
ESET-NOD32 a variant of Win32/InstallBrain.AP potentially unwanted
APEX Malicious
TrendMicro-HouseCall TROJ_BRAININST_DD300408.UVPA
ClamAV Win.Adware.Installbrain-2872
Kaspersky not-a-virus:VHO:AdWare.Win32.BrainInst.gen
BitDefender Application.Bundler.InstallBrain.A
NANO-Antivirus Riskware.Win32.BrainInst.cqttfb
SUPERAntiSpyware Adware.DownWare/Variant
Avast Win32:Adware-gen [Adw]
Tencent Malware.Win32.Gencirc.10bf394d
TACHYON Trojan-Clicker/W32.BrainInst.712544
Sophos InstallBrain (PUA)
F-Secure Trojan:W32/InstallBrain.A
DrWeb Adware.Downware.1458
VIPRE Application.Bundler.InstallBrain.A
TrendMicro TROJ_BRAININST_DD300408.UVPA
Trapmine malicious.high.ml.score
Emsisoft Application.Downloader (A)
SentinelOne Static AI – Malicious PE
Jiangmin AdWare/BrainInst.ch
Google Detected
Avira PUA/InstallBrain.Gen
Varist W32/A-b601ba44!Eldorado
Antiy-AVL Trojan/Win32.Tgenic
Kingsoft Win32.Troj.BrainInst.heur
Microsoft TrojanDownloader:Win32/Brantall.B
Xcitium Application.Win32.InstallBrain.IK@5te97g
Arcabit Application.Bundler.InstallBrain.A
ViRobot Adware.Braininst.712544
ZoneAlarm not-a-virus:HEUR:AdWare.Win32.BrainInst.heur
GData Win32.Application.InstallBrain.B
Cynet Malicious (score: 100)
AhnLab-V3 PUP/Win32.InstallBrain.R148099
Acronis suspicious
VBA32 BScope.Adware.BrainInst
ALYac Application.Bundler.InstallBrain.A
MAX malware (ai score=100)
Malwarebytes Generic.Malware.AI.DDS
Panda PUP/Ibups
Rising Downloader.Brantall!8.D2 (TFE:5:1FjBmiS10kE)
Ikarus Trojan-Downloader.Win32.BrainInst
MaxSecure not-a-virus:Adware.InstallBrain
Fortinet Riskware/Generic.AC.16986
BitDefenderTheta Gen:NN.ZexaF.36802.Ru1@aGKpT6ii
AVG Win32:Adware-gen [Adw]
DeepInstinct MALICIOUS
CrowdStrike win/grayware_confidence_100% (W)
alibabacloud Adware:Win/InstallBrain.BZ

How to remove TrojanDownloader:Win32/Brantall.B?

  • 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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