Categories: Malware

TrjnDwnldr.NSIS.Quireap.B removal tips

The TrjnDwnldr.NSIS.Quireap.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 TrjnDwnldr.NSIS.Quireap.B virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Creates RWX memory
  • Anomalous file deletion behavior detected (10+)
  • Dynamic (imported) function loading detected
  • Performs HTTP requests potentially not found in PCAP.
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • Authenticode signature is invalid
  • Created a process from a suspicious location
  • Behavior consistent with a dropper attempting to download the next stage.
  • Attempts to modify proxy settings

How to determine TrjnDwnldr.NSIS.Quireap.B?


File Info:

name: 5E07529BEF808CED1939.mlwpath: /opt/CAPEv2/storage/binaries/2b34d02e8a008f533e24536751ccbb39822e8e81a441e042c08c5cd37d9b3236crc32: 7BF5DEE8md5: 5e07529bef808ced1939b00fe84e4b58sha1: 1b59bb134d816f13e50a60dc08d24d17dac3bb33sha256: 2b34d02e8a008f533e24536751ccbb39822e8e81a441e042c08c5cd37d9b3236sha512: e7f3864c3841733b61e6e0694c118eeed8bbae04bc484484774d031d9cfb13322727ee834070012958c33cc1392499e8d8885a4bda22f0d71893baee43b62240ssdeep: 6144:+e34SPue34SmgfJb0KrPqeKBRHWZGt9dPPjDz9k8A9g8teVC67fJ64dd2qA0nbkd:3/LJrPqp7N/hA9DU46LJ64dd2qtAw8Htype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T139F4F63666E0C032E1B30A716D79D26491BEB8605D37CE1F73E46E1D3B726C2892176Esha3_384: dce1c0e212e5b89433ebc8b2bfcb582d5e0d1154b780f6e7dae50bc9b0d8d22e886c3d47b6b4634d4874bd09b92f1257ep_bytes: 81ec8001000053555633db57895c2418timestamp: 2009-12-05 22:50:52

Version Info:

0: [No Data]

TrjnDwnldr.NSIS.Quireap.B also known as:

Lionic Trojan.NSIS.Adload.a!c
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.37256726
CAT-QuickHeal TrjnDwnldr.NSIS.Quireap.B
ALYac Trojan.GenericKD.37256726
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Trojan.Win32.Adload.bx
K7AntiVirus Trojan-Downloader ( 004f4d691 )
Alibaba TrojanDownloader:Win32/Adload.d3ecd6c6
K7GW Trojan-Downloader ( 004f4d691 )
Cybereason malicious.bef808
Baidu Multi.Threats.InArchive
Cyren W32/Dotdo.E.gen!Eldorado
Symantec PUA.Downloader
ESET-NOD32 multiple detections
APEX Malicious
Avast Win32:PUP-gen [PUP]
ClamAV Win.Downloader.Istartsurf-6902471-0
Kaspersky Trojan-Downloader.NSIS.Adload.bx
BitDefender Trojan.GenericKD.37256726
NANO-Antivirus Riskware.Nsis.AgentCV.dzxafa
SUPERAntiSpyware Trojan.Agent/Gen-Downloader
Ad-Aware Trojan.GenericKD.37256726
Sophos Mal/Generic-S
F-Secure Trojan.TR/Adload.Gen
DrWeb Trojan.Vittalia.7648
Zillya Trojan.GenericKD.Win32.5267
McAfee-GW-Edition BehavesLike.Win32.Shohdi.bm
FireEye Generic.mg.5e07529bef808ced
Emsisoft Trojan.GenericKD.37256726 (B)
Webroot W32.Gen.BT
Avira TR/Adload.Gen
Antiy-AVL Trojan/Generic.ASMalwNS.698
Microsoft TrojanDownloader:Win32/Upatre!atmn
Arcabit Trojan.Generic.D2387E16
GData NSIS.Adware.Adload.AD (2x)
Cynet Malicious (score: 100)
AhnLab-V3 Downloader/Win32.Adload.R223188
McAfee Artemis!5E07529BEF80
MAX malware (ai score=83)
VBA32 Trojan.Wacatac
Rising Downloader.Agent/NSIS!1.AA40 (CLASSIC)
SentinelOne Static AI – Malicious PE
Fortinet W32/NSISMultiDropper.F6C!tr
AVG Win32:PUP-gen [PUP]
Paloalto generic.ml
CrowdStrike win/malicious_confidence_60% (D)
MaxSecure Trojan.Malware.121218.susgen

How to remove TrjnDwnldr.NSIS.Quireap.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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