Malware

MSIL/Injector.RU (file analysis)

Malware Removal

The MSIL/Injector.RU 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.

GridinSoft Anti-Malware

Gridinsoft Anti-Malware

Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
6-day free trial available.

What MSIL/Injector.RU virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Guard pages use detected – possible anti-debugging.
  • Dynamic (imported) function loading detected
  • CAPE extracted potentially suspicious content
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Behavioural detection: Injection (Process Hollowing)
  • Executed a process and injected code into it, probably while unpacking
  • Behavioural detection: Injection (inter-process)
  • CAPE detected the NanoCore malware family
  • Attempts to disable System Restore

How to determine MSIL/Injector.RU?


File Info:

name: 6F0320D008F37F3D5097.mlw
path: /opt/CAPEv2/storage/binaries/f287b2c3f0b9306d0a24229c874ba22437398b1da6e71a3cd23bb6ef326a1f97
crc32: CC915E16
md5: 6f0320d008f37f3d5097aaf9190a8291
sha1: db2fbde30f8b49892c86c7f2f22fe0b8610599c9
sha256: f287b2c3f0b9306d0a24229c874ba22437398b1da6e71a3cd23bb6ef326a1f97
sha512: ed4a49063c0701610350ac91a7206a8b75cdc19b1d95e369c9076c187e403598715d5143852515a3cb4f875e96c614d7ee007df57e8654f7c48d6ac33b6010c6
ssdeep: 6144:3CcQvcMrJZO1UeVrb6OLtYYThtpaXfU/pG:2c8ZOGeVrbluYThtp5
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T19944124256C09845DEFA1630F8D53F2683FAB602F1BF546C8ECD54869CF9B88F43256A
sha3_384: 5e3786bb7b89ccccf0f1093b64b91d0b9ce3bf43b38de45102dfe5ad376cb251bd1ed712e8680e6ec5183adc6e87c2ae
ep_bytes: ff250020400000000000000000000000
timestamp: 2022-02-03 11:28:16

Version Info:

Translation: 0x0000 0x04b0
FileDescription:
FileVersion: 5.8.9.6
InternalName: jamruscrypted.exe
LegalCopyright: dIDXPgbnvEMufKt
LegalTrademarks: rzbWkKuNPjlGjxP
OriginalFilename: jamruscrypted.exe
ProductName: HsAEbAqhSnOyqTU
ProductVersion: 5.8.9.6
Assembly Version: 5.8.9.6

MSIL/Injector.RU also known as:

Elasticmalicious (high confidence)
CynetMalicious (score: 100)
ALYacGen:Trojan.Mardom.PN.15
MalwarebytesMalware.AI.177248809
SangforSuspicious.Win32.Save.a
BitDefenderGen:Trojan.Mardom.PN.15
Cybereasonmalicious.008f37
SymantecTrojan.Nancrat
ESET-NOD32a variant of MSIL/Injector.RU
APEXMalicious
KasperskyHEUR:Trojan.Win32.Generic
MicroWorld-eScanGen:Trojan.Mardom.PN.15
RisingMalware.Obfus/MSIL@AI.90 (RDM.MSIL:Ada0TBlVMoWRZKJFGPc79A)
EmsisoftGen:Trojan.Mardom.PN.15 (B)
F-SecureTrojan.TR/Dropper.Gen
DrWebTrojan.MulDrop2.59534
McAfee-GW-EditionBehavesLike.Win32.Backdoor.dc
FireEyeGeneric.mg.6f0320d008f37f3d
SophosML/PE-A
IkarusTrojan.Win32.Jorik
JiangminTrojan/Generic.ogeh
AviraTR/Dropper.Gen
MicrosoftTrojan:Win32/Sabsik.FL.B!ml
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataGen:Trojan.Mardom.PN.15
MAXmalware (ai score=89)
VBA32CIL.StupidPInvoker-2.Heur
CylanceUnsafe
SentinelOneStatic AI – Malicious PE
eGambitUnsafe.AI_Score_100%
FortinetMSIL/Injector.GVQ!tr
BitDefenderThetaAI:Packer.ACAE80BC1F
CrowdStrikewin/malicious_confidence_100% (D)
MaxSecureTrojan.Malware.300983.susgen

How to remove MSIL/Injector.RU?

MSIL/Injector.RU removal tool
  • 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.

About the author

Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

Leave a Comment