Categories: Malware

How to remove “MSIL/Injector.UDN”?

The MSIL/Injector.UDN 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 MSIL/Injector.UDN 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
  • At least one IP Address, Domain, or File Name was found in a crypto call
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic
  • Performs some HTTP requests
  • The binary likely contains encrypted or compressed data.
  • Executed a process and injected code into it, probably while unpacking
  • A process attempted to delay the analysis task by a long amount of time.
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Steals private information from local Internet browsers
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Attempts to identify installed AV products by registry key
  • Harvests credentials from local FTP client softwares
  • Harvests information related to installed instant messenger clients
  • Harvests information related to installed mail clients
  • Collects information to fingerprint the system

Related domains:

z.whorecord.xyz
a.tomx.xyz
dresson1.com

How to determine MSIL/Injector.UDN?


File Info:

crc32: 8F7C827Cmd5: 32ffae9524a6321051248e4313c91852name: blu.exesha1: 5e28c29f740842a5eee6f2717d25f86dd3b0f752sha256: 6a223f3097e572a00aa6f1029bbbb6d71d66bb5bbf239177d232dca3c7f9bf33sha512: 60bb5521d91b14e510d10df9a21619c81724b81cf5d999f7719ca433f7d34da81b06f9cb982a4bec42e78d92b892c8181adc326669b2a0446e6adf1114468cc7ssdeep: 12288:wiC+3hdq+/6qpONWtWrnngnnnKnanxbY:wiC+xdq66NNWtWrnngnnnKnanxbtype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0LegalCopyright: Copyright 2011 BlueStack Systems, Inc. All Rights Reserved.Assembly Version: 2.55.70.1203InternalName: HD-ApkHandler.exeFileVersion: 2.55.70.1203CompanyName: BlueStack Systems, Inc.ProductName: BlueStacksProductVersion: 2.55.70.1203FileDescription: BlueStacks Apk HandlerOriginalFilename: HD-ApkHandler.exe

MSIL/Injector.UDN also known as:

MicroWorld-eScan Trojan.GenericKD.40835433
CAT-QuickHeal Trojan.GenericFC.S6058480
McAfee GenericRXGQ-HE!32FFAE9524A6
VIPRE Trojan.Win32.Generic!BT
AegisLab Trojan.MSIL.Androm.m!c
Sangfor Malware
K7AntiVirus Trojan ( 0053ff4e1 )
BitDefender Trojan.GenericKD.40835433
K7GW Trojan ( 0053ff4e1 )
CrowdStrike win/malicious_confidence_100% (W)
TrendMicro TROJ_GEN.R002C0PFD19
Cyren W32/Trojan.VBPO-4167
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:Malware-gen
GData Trojan.GenericKD.40835433
Kaspersky HEUR:Backdoor.MSIL.Androm.gen
Alibaba Backdoor:MSIL/Injector.e4262faf
NANO-Antivirus Trojan.Win32.Androm.fjsriu
ViRobot Trojan.Win32.Z.Androm.516096
Rising Backdoor.Androm!8.113 (TFE:D:n0czGnijX0U)
Ad-Aware Trojan.GenericKD.40835433
Emsisoft Trojan.GenericKD.40835433 (B)
Comodo Malware@#13vhu7ydna1n6
F-Secure Backdoor.BDS/Androm.ibtgg
DrWeb Trojan.MulDrop.1161
Zillya Trojan.Androm.Win32.91
Invincea heuristic
McAfee-GW-Edition GenericRXGQ-HE!32FFAE9524A6
Trapmine malicious.high.ml.score
FireEye Generic.mg.32ffae9524a63210
Sophos Mal/MSIL-TZ
Ikarus Trojan.SuspectCRC
Jiangmin Backdoor.MSIL.awak
Webroot Trojan.Dropper.Gen
Avira BDS/Androm.ibtgg
Endgame malicious (high confidence)
Arcabit Trojan.Generic.D26F1969
ZoneAlarm HEUR:Backdoor.MSIL.Androm.gen
Microsoft TrojanDropper:Win32/Joiner.AJ
AhnLab-V3 Trojan/Win32.Androm.C2801808
Acronis suspicious
VBA32 TScope.Trojan.MSIL
ALYac Backdoor.RAT.Netwire
MAX malware (ai score=100)
Cylance Unsafe
Panda Trj/GdSda.A
ESET-NOD32 a variant of MSIL/Injector.UDN
TrendMicro-HouseCall TROJ_GEN.R002C0PFD19
Yandex Trojan.Injector!DVPZxnBT1R4
SentinelOne DFI – Malicious PE
eGambit Unsafe.AI_Score_99%
Fortinet W32/Generik.A!tr
AVG Win32:Malware-gen
Cybereason malicious.524a63
Paloalto generic.ml
Qihoo-360 Win32/Backdoor.0c0

How to remove MSIL/Injector.UDN?

  • 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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