Categories: Trojan

About “Dropped:Trojan.Downloader.JQJR” infection

The Dropped:Trojan.Downloader.JQJR 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 Dropped:Trojan.Downloader.JQJR virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Behavioural detection: Executable code extraction – unpacking
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Possible date expiration check, exits too soon after checking local time
  • Dynamic (imported) function loading detected
  • Reads data out of its own binary image
  • Manipulates data from or to the Recycle Bin
  • A process created a hidden window
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • The executable is compressed using UPX
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • Uses Windows utilities for basic functionality
  • Attempts to modify proxy settings
  • Attempts to modify browser security settings

Related domains:

wpad.local-net
ddos.dnsnb8.net

How to determine Dropped:Trojan.Downloader.JQJR?


File Info:

name: EC5270C70B35E6E02A59.mlwpath: /opt/CAPEv2/storage/binaries/4b876fdaaa88183669c52d1987edefbbd1bb6b640a3fda8a825924b4240c0970crc32: A9E2F1F5md5: ec5270c70b35e6e02a593cdb6405fe88sha1: 2a2cb147d23c998f9304e9913cd41d6321c6bc79sha256: 4b876fdaaa88183669c52d1987edefbbd1bb6b640a3fda8a825924b4240c0970sha512: 75e0a81c526ecd5cc8d5237a78a445d56838daaed71bed1bbd4fbd93d7e9453646fefc9bc139377b9ad7e04d7edbc082d3f7ce9eceb33bc395f8c824ae65120assdeep: 12288:r14Yavl7hopQHi/5OLYxdFWebuK7koG3K/VblQcBMNy6TK:h4Y2FOp/5OLYxdgebl9CcBMIptype: PE32 executable (console) Intel 80386, for MS Windowstlsh: T16EB412428A10D056FBA847721603F9D1091BAC7D04E6F26EF579BD3C3E715D34AA38AEsha3_384: f64fc4fdc5309c3a931e87a2c39690111b89e96de413a6bea1c1a4bba8efd3bf73a82fa1179822a02f58cba2a9dc8124ep_bytes: 60be00204e008dbe00f0f1ff5783cdfftimestamp: 2021-09-14 15:06:35

Version Info:

CompanyName: 溜云库FileDescription: 文件更新工具FileVersion: 1.0.0.26InternalName: 文件更新工具LegalCopyright: Copyright (C) Maple 2021OriginalFilename: CopyFiles.exeProductName: 文件更新工具ProductVersion: 1.0.0.26Translation: 0x0009 0x04b0

Dropped:Trojan.Downloader.JQJR also known as:

Elastic malicious (high confidence)
Cynet Malicious (score: 100)
ALYac Dropped:Trojan.Downloader.JQJR
Cylance Unsafe
Zillya Virus.Nimnul.Win32.5
Sangfor Trojan.Win32.Save.a
K7AntiVirus Virus ( 0040f7441 )
K7GW Virus ( 0040f7441 )
Cyren W32/PatchLoad.E
Symantec W32.Wapomi.C!inf
ESET-NOD32 a variant of Win32/Packed.AAuto.B suspicious
APEX Malicious
ClamAV Win.Malware.Aauto-9839278-0
Kaspersky Virus.Win32.Nimnul.f
BitDefender Dropped:Trojan.Downloader.JQJR
NANO-Antivirus Trojan.Win32.Banload.cstqaj
MicroWorld-eScan Dropped:Trojan.Downloader.JQJR
Avast Win32:Evo-gen [Susp]
Tencent Virus.Win32.Loader.aab
Ad-Aware Dropped:Trojan.Downloader.JQJR
Sophos W32/Nimnul-C
Comodo Virus.Win32.Wali.KA@558nxg
DrWeb BackDoor.Darkshell.246
VIPRE Trojan-Downloader.Win32.Small
TrendMicro PE_WAPOMI.BM
FireEye Dropped:Trojan.Downloader.JQJR
Emsisoft Dropped:Trojan.Downloader.JQJR (B)
Ikarus Trojan-Downloader.Win32.Small
GData Win32.Virus.Wapomi.A
Jiangmin Win32/Nimnul.f
Avira W32/Jadtre.D
Antiy-AVL Trojan/Generic.ASVirus.14D
Arcabit Trojan.Downloader.JQJR
Microsoft Trojan:Win32/Sabsik.FL.B!ml
TACHYON Virus/W32.Ramnit.C
AhnLab-V3 Win32/VJadtre.Gen
MAX malware (ai score=87)
VBA32 TrojanDownloader.Banload
TrendMicro-HouseCall PE_WAPOMI.BM
Rising Virus.Roue!1.9E10 (CLASSIC)
Yandex Trojan.GenAsa!uDgyVfKmTBk
SentinelOne Static AI – Malicious PE
eGambit Unsafe.AI_Score_97%
Fortinet W32/CoinMiner.EC2B!tr
BitDefenderTheta AI:Packer.2A02B3BB20
AVG Win32:Evo-gen [Susp]
Cybereason malicious.70b35e
Panda W32/Pcarrier.A
MaxSecure Trojan.Malware.300983.susgen

How to remove Dropped:Trojan.Downloader.JQJR?

  • 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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