Categories: Malware

About “MSIL/Injector.FMB” infection

The MSIL/Injector.FMB 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.FMB virus can do?

  • Executable code extraction
  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Injection with CreateRemoteThread in a remote process
  • Attempts to connect to a dead IP:Port (2 unique times)
  • Presents an Authenticode digital signature
  • Creates RWX memory
  • At least one IP Address, Domain, or File Name was found in a crypto call
  • Starts servers listening on 0.0.0.0:16599, :0
  • Expresses interest in specific running processes
  • Reads data out of its own binary image
  • A process created a hidden window
  • Drops a binary and executes it
  • Performs some HTTP requests
  • The binary likely contains encrypted or compressed data.
  • Uses Windows utilities for basic functionality
  • Attempts to remove evidence of file being downloaded from the Internet
  • Executed a process and injected code into it, probably while unpacking
  • Code injection with CreateRemoteThread in a remote process
  • Deletes its original binary from disk
  • Steals private information from local Internet browsers
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Creates Zeus (Banking Trojan) mutexes
  • Zeus P2P (Banking Trojan)
  • Attempts to modify browser security settings
  • Creates a copy of itself
  • Harvests credentials from local FTP client softwares
  • Creates a slightly modified copy of itself
  • Collects information to fingerprint the system
  • Clears web history

Related domains:

crl.verisign.com
ocsp.verisign.com
ocsp.omniroot.com

How to determine MSIL/Injector.FMB?


File Info:

crc32: 7C570A7Fmd5: 76058ae2d797f478e3ab15b72c6da31cname: 76058AE2D797F478E3AB15B72C6DA31C.mlwsha1: 066bd70c67be0f1eb77db735c86bc7ece0c7615dsha256: dd2cb12925de87739367ae420e7cd5e4af0e3c1af54e86929c3544273bae428bsha512: e778a0092b8b36a82a1147849ffba0fb526b5511a61e9e93125835c6e468a0ec186a886939a32583926b09a9ede4c07670476093b095c52dac3c19ae13bde993ssdeep: 6144:SaAyVcwKmbDA4fS6VrGMGz4haPNArwdaJd:syVembDBvVrGMG81rcodtype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

LegalCopyright: Copyright xa9 2004 - 2013 Nir SoferInternalName: SmartSniffFileVersion: 2.07CompanyName: NirSoftProductName: SmartSniffProductVersion: 2.07FileDescription: SmartSniffOriginalFilename: smsniff.exeTranslation: 0x0409 0x04b0

MSIL/Injector.FMB also known as:

Elastic malicious (high confidence)
FireEye Generic.mg.76058ae2d797f478
Cylance Unsafe
Zillya Trojan.Zbot.Win32.167881
AegisLab Trojan.MSIL.Agent.4!c
Sangfor Malware
K7AntiVirus Unwanted-Program ( 700000121 )
K7GW Unwanted-Program ( 700000121 )
Cybereason malicious.c67be0
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:Malware-gen
Kaspersky HEUR:Trojan.MSIL.Agent.gen
Alibaba Trojan:MSIL/Injector.136b54eb
NANO-Antivirus Trojan.Win32.Comet.didvwg
Rising Trojan.Injector!8.C4 (TFE:C:hdJOfhbFbd)
Comodo Malware@#1agb4augt6y2x
F-Secure Trojan.TR/Spy.Zbot.ikzr
DrWeb BackDoor.Comet.884
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Artemis!Trojan
Sophos Mal/Generic-S + Mal/Generic-L
Ikarus Trojan.Win32.Foxhiex
Jiangmin Trojan.MSIL.qwrt
Webroot W32.Malware.Gen
Avira TR/Spy.Zbot.ikzr
eGambit HackTool.Generic
Antiy-AVL Trojan[Spy]/Win32.Zbot
Kingsoft Win32.Troj.Zbot.uh.(kcloud)
Microsoft PWS:Win32/Zbot
SUPERAntiSpyware Trojan.Agent/Gen-Injector
ZoneAlarm HEUR:Trojan.MSIL.Agent.gen
GData Win32.Backdoor.Zeus.MLV32S
Cynet Malicious (score: 90)
McAfee GenericRXAA-FA!76058AE2D797
VBA32 TrojanSpy.Zbot
Panda Generic Suspicious
ESET-NOD32 a variant of MSIL/Injector.FMB
Tencent Win32.Trojan.Inject.Auto
Yandex Trojan.Injector!yBugEYgLNXc
SentinelOne Static AI – Malicious PE
Fortinet MSIL/Injector.FMB!tr
AVG Win32:Malware-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_90% (W)
Qihoo-360 Win32/Trojan.Spy.0d1

How to remove MSIL/Injector.FMB?

  • 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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