Categories: Trojan

How to remove “TrojanDownloader:Win32/Halnir.A”?

The TrojanDownloader:Win32/Halnir.A 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/Halnir.A virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Creates RWX memory
  • Anomalous file deletion behavior detected (10+)
  • Dynamic (imported) function loading detected
  • Reads data out of its own binary image
  • A process created a hidden window
  • Attempts to modify Internet Explorer’s start page
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
  • Created a process from a suspicious location
  • Installs itself for autorun at Windows startup
  • Collects information about installed applications
  • Attempts to create or modify a Browser Helper Object
  • Attempts to modify proxy settings
  • Harvests cookies for information gathering
  • Uses suspicious command line tools or Windows utilities

How to determine TrojanDownloader:Win32/Halnir.A?


File Info:

name: 3BD27BCE79830D172116.mlwpath: /opt/CAPEv2/storage/binaries/794e5afcc0b0f8cd1f00fe4dbc1992a4e130de76cf69b5bcb96f1a744d1e5b75crc32: 59487B25md5: 3bd27bce79830d1721161b8c038e6d54sha1: 9a048dc6d5ac18acc41b40cb7830aa1e72c90ac9sha256: 794e5afcc0b0f8cd1f00fe4dbc1992a4e130de76cf69b5bcb96f1a744d1e5b75sha512: fab22e61455bee177c202f085b5b0133bc676b10aac35a9f8081881b2e15fdd8f180236ab3901205a37b7d708065bff8de6c956040b0017f9c1aa67c3d1067c2ssdeep: 49152:ayILJKFkxWkpap3/+L1lqZnqdi0Gm4382Me2aIMMe3N8nxJ9tDG0hPhmeu92LyNG:xUUK2/+LHIZ3Uy3NixJ9pfhEhcyNGtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1A1E5336BBCB0823BDF51DF7A2E1BA67C55F083E58F4A121B07099CDD261C87AB7141A4sha3_384: 9d3090b8eca6ed4f14901671df83212c4bf3923f06a6f9299dfc6854c562cad306457efe5eba4b63d302079a2539646bep_bytes: 81ec8001000053555633db57895c2418timestamp: 2007-08-25 16:16:00

Version Info:

0: [No Data]

TrojanDownloader:Win32/Halnir.A also known as:

Lionic Adware.Win32.Conduit.2!c
FireEye Trojan.Clicker.MTV
McAfee Artemis!3BD27BCE7983
Cylance Unsafe
Sangfor Riskware.Win32.Agent.ky
K7AntiVirus Adware ( 004ba0f81 )
BitDefender Trojan.Clicker.MTV
K7GW Adware ( 004ba0f81 )
Cybereason malicious.e79830
Cyren W32/Conduit.I.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 multiple detections
APEX Malicious
ClamAV Win.Downloader.89516-1
Kaspersky not-a-virus:UDS:AdWare.Win32.Conduit.gen
Alibaba AdWare:Win32/Bundled.432c2961
NANO-Antivirus Riskware.Win32.Conduit.esmlis
Rising Trojan.Win32.Generic.15728F71 (C64:YzY0Or19lrSLKJij)
Emsisoft Trojan.Clicker.MTV (B)
Comodo TrojWare.Win32.TrojanDownloader.Agent.bqor@1lgpwx
DrWeb Trojan.Click.26176
TrendMicro TROJ_GEN.R002C0DAR22
McAfee-GW-Edition BehavesLike.Win32.Dropper.wc
Sophos Mal/Generic-S
GData Win32.Adware.Conduit.B
Jiangmin Adware.OneStep.x
Avira TR/Redcap.fkoom
MAX malware (ai score=86)
Antiy-AVL Trojan/Generic.ASMalwNS.E9E
Kingsoft Win32.TrojDownloader.Agent.(kcloud)
Microsoft TrojanDownloader:Win32/Halnir.A
Cynet Malicious (score: 99)
ALYac Trojan.Clicker.MTV
VBA32 SigAdware.Ask.com
Malwarebytes Malware.AI.4158552134
TrendMicro-HouseCall TROJ_GEN.R002C0DAR22
Tencent Win32.Trojan.Generik.Lnyg
Fortinet Riskware/Asparnet
AVG Win32:Trojan-gen
Avast Win32:Trojan-gen

How to remove TrojanDownloader:Win32/Halnir.A?

  • 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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