Categories: Malware

AutoIt:Dropper-DL [Trj] removal

The AutoIt:Dropper-DL [Trj] 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 AutoIt:Dropper-DL [Trj] virus can do?

  • Executable code extraction
  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Attempts to connect to a dead IP:Port (1 unique times)
  • Creates RWX memory
  • Reads data out of its own binary image
  • A process created a hidden window
  • Performs some HTTP requests
  • Unconventionial language used in binary resources: Spanish (Colombia)
  • Uses Windows utilities for basic functionality
  • Executed a process and injected code into it, probably while unpacking
  • Sniffs keystrokes
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Creates a slightly modified copy of itself
  • Anomalous binary characteristics
  • Attempts to modify Explorer settings to prevent hidden files from being displayed

Related domains:

microsoftdnsbug.duckdns.org
edgedl.me.gvt1.com

How to determine AutoIt:Dropper-DL [Trj]?


File Info:

crc32: 76A4FBF9md5: 749ebef6c4ae90cf84e427ca29f2cc2dname: 749EBEF6C4AE90CF84E427CA29F2CC2D.mlwsha1: b51a6856f1539d5e1d38aba0212222ebc69e7922sha256: 49c58fe5c75847250c7e5667e743777d34655ed41297acf072f8f7eb9db314cfsha512: 62020030df7136c10495c79866d255e91033481c7be41173414e01f9bdcff4e139954c00a62db959ec123950afa8d8b18c324751500ed87f0236462985130115ssdeep: 24576:uAHnh+eWsN3skA4RV1Hom2KXMmHay5uertmY3Z5i:Zh+ZkldoPK8YayGYitype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: pcaluaFileVersion: 105.691.474.698CompanyName: bcdeditProductName: schtasksProductVersion: 280.608.2.755FileDescription: msoobeOriginalFilename: WMIC.exeTranslation: 0x0409 0x04b0

AutoIt:Dropper-DL [Trj] also known as:

Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0054a4491 )
Elastic malicious (high confidence)
DrWeb BackDoor.Bladabindi.15045
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.AutoIt.Downloader.ZZ
ALYac Trojan.AgentWDCR.RJK
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
K7GW Trojan ( 0054a4491 )
Cybereason malicious.6c4ae9
Cyren W32/AutoIt.QY.gen!Eldorado
Symantec AUT.Heuristic!gen6
ESET-NOD32 a variant of Win32/Packed.AutoIt.OV
Zoner Trojan.Win32.77473
APEX Malicious
Avast AutoIt:Dropper-DL [Trj]
ClamAV Win.Trojan.njRAT-9864953-1
Kaspersky HEUR:Trojan.Script.Generic
BitDefender Trojan.AgentWDCR.RJK
MicroWorld-eScan Trojan.AgentWDCR.RJK
Ad-Aware Trojan.AgentWDCR.RJK
Sophos ML/PE-A + Mal/AuItInj-A
BitDefenderTheta AI:Packer.8CEB465317
VIPRE Trojan.Win32.Generic!BT
TrendMicro Trojan.AutoIt.CRYPTINJECT.SMA
McAfee-GW-Edition BehavesLike.Win32.TrojanAitInject.fh
FireEye Generic.mg.749ebef6c4ae90cf
Emsisoft Trojan.AgentWDCR.RJK (B)
Avira TR/AutoIt.rzjss
Antiy-AVL Trojan/Generic.ASCommon.168
Microsoft Ransom:Win32/Bosloki.A!bit
Arcabit Trojan.AgentWDCR.RJK
SUPERAntiSpyware Trojan.Agent/Gen-Injector
GData Trojan.AgentWDCR.RJK
AhnLab-V3 Win-Trojan/AutoInj.Exp
McAfee Trojan-AitInject.ak
MAX malware (ai score=89)
VBA32 Backdoor.Bladabindi
Malwarebytes Backdoor.LimeRat
Panda Trj/Genetic.gen
TrendMicro-HouseCall Trojan.AutoIt.CRYPTINJECT.SMA
Rising Trojan.Injector/Autoit!1.BBE6 (CLASSIC)
Ikarus Trojan.Autoit
MaxSecure Trojan.Malware.300983.susgen
Fortinet AutoIt/Injector.DWD!tr
AVG AutoIt:Dropper-DL [Trj]
Qihoo-360 HEUR/QVM10.1.4F87.Malware.Gen

How to remove AutoIt:Dropper-DL [Trj]?

  • 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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