Categories: Trojan

MSIL/TrojanDownloader.Small.AIR malicious file

The MSIL/TrojanDownloader.Small.AIR 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/TrojanDownloader.Small.AIR virus can do?

  • CAPE extracted potentially suspicious content
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid

How to determine MSIL/TrojanDownloader.Small.AIR?


File Info:

name: 2FDD92A6BB99413E00C2.mlwpath: /opt/CAPEv2/storage/binaries/a073b91ca5b3b669966d8142156ab5923a3779dd13708fc3941068374c6a27b8crc32: DB7593E0md5: 2fdd92a6bb99413e00c26d4c08da8579sha1: 1467685689257c18df218028f221cfa6e1095685sha256: a073b91ca5b3b669966d8142156ab5923a3779dd13708fc3941068374c6a27b8sha512: fa85c4267e746badb3fd5fafd14a6da44db65c9f899a199e28d764d29077a7296f6a0ddd72d12f6e4359ae9d4ad60acc03cccebe924096f332510feac13332b9ssdeep: 384:ifQ4URRNpt79nX2imD2W0WayJLf45XQfje8hTpmLMwTSVFXdP2THCn7DBF:74U7t79XNmRNmTSVFNHnXBtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1F9A2884427F64235EABBCD782CB9976F0D717E019C33CBADB054350E097B68585A3B1Asha3_384: 4d1071f09baf8cd67dc635d54e59148c2e35c915d0e8f5fbc2c366c3a5a800bdc6f4e76a2effcde85d136da491fddbaeep_bytes: ff250020400000000000000000000000timestamp: 2016-04-14 23:39:56

Version Info:

Translation: 0x0000 0x04b0FileDescription: WindowsApplication1FileVersion: 1.0.0.0InternalName: WindowsApplication1.exeLegalCopyright: Copyright © 2016OriginalFilename: WindowsApplication1.exeProductName: WindowsApplication1ProductVersion: 1.0.0.0Assembly Version: 1.0.0.0

MSIL/TrojanDownloader.Small.AIR also known as:

Lionic Trojan.Win32.Generic.4!c
DrWeb Trojan.DownLoader21.41493
FireEye Generic.mg.2fdd92a6bb99413e
CrowdStrike win/malicious_confidence_70% (D)
Alibaba Trojan:MSIL/Generic.41b2bd97
VirIT Trojan.Win32.MSIL.BDDU
Cyren W32/MSIL_Injector.DQ.gen!Eldorado
Symantec ML.Attribute.HighConfidence
Elastic malicious (high confidence)
ESET-NOD32 a variant of MSIL/TrojanDownloader.Small.AIR
APEX Malicious
Paloalto generic.ml
Cynet Malicious (score: 99)
Kaspersky HEUR:Trojan.Win32.Generic
NANO-Antivirus Trojan.Win32.Small.ebqluq
Tencent Win32.Trojan.Generic.Cflw
F-Secure Heuristic.HEUR/AGEN.1308028
McAfee-GW-Edition Artemis
Sophos Mal/Generic-S
SentinelOne Static AI – Malicious PE
Jiangmin Worm/Mytob.aka
Avira HEUR/AGEN.1308028
Antiy-AVL Trojan/Win32.AGeneric
ZoneAlarm HEUR:Trojan.Win32.Generic
Google Detected
AhnLab-V3 Trojan/Win32.Skeeyah.C2831884
McAfee Artemis!2FDD92A6BB99
Cylance unsafe
Panda Trj/GdSda.A
Rising Downloader.Small!8.B41 (CLOUD)
Ikarus Trojan-Downloader.MSIL.Agent
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/Agent.BEL!tr.dldr
DeepInstinct MALICIOUS

How to remove MSIL/TrojanDownloader.Small.AIR?

  • 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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