The MSIL/TrojanDropper.Small.EF 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/TrojanDropper.Small.EF virus can do?
- Yara rule detections observed from a process memory dump/dropped files/CAPE
- CAPE extracted potentially suspicious content
- Drops a binary and executes it
- The binary likely contains encrypted or compressed data.
- Authenticode signature is invalid
- Anomalous .NET characteristics
- CAPE detected the CobianRAT malware family
- Deletes executed files from disk
- Attempts to modify Explorer settings to prevent hidden files from being displayed
How to determine MSIL/TrojanDropper.Small.EF?
File Info:
name: D663604F6F0DA2BA426C.mlwpath: /opt/CAPEv2/storage/binaries/8c1b97b3cad2f9291c84a2e26577fc3a2ab1f998a0a7c29169517ba29c06328dcrc32: A500E255md5: d663604f6f0da2ba426c62a7905300bdsha1: 14989f97d4ec8e6faa9a181bd7bc2f0ad11b9728sha256: 8c1b97b3cad2f9291c84a2e26577fc3a2ab1f998a0a7c29169517ba29c06328dsha512: 04bca8e3bf73883e8773ac28cace0ebdcd4b330c220255365982262f42ec13f31f3a7e88f07b53f0b1c473608af0d95e98fe5cff870ef9a11f5b5a999ed2c2c0ssdeep: 768:z4bs8xfDxow5K1tbwbMAN+Xh/WBiTwd7yWBY6+O6C7Cu6BLUqu/tS9UPG:U4P9+1EXhuB0wddYe17CuqLvyS9U+type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T10163BE1A37A4E0D9E1D465341DC26F73C4F2B827180467AEBBC12E6FEE7AD85D610346sha3_384: e98a9b6ec73908ed28ccc118f6d1102f26502daf3e443fbc469f1d84bbac9e5289f5cc4b8ddb354f0916e9d5e8f1ea33ep_bytes: ff250020400000000000000000000000timestamp: 2022-08-13 10:13:32Version Info:
Translation: 0x0000 0x04b0FileDescription: FileVersion: 0.0.0.0InternalName: Launcher.exeLegalCopyright: OriginalFilename: Launcher.exeProductVersion: 0.0.0.0Assembly Version: 0.0.0.0
MSIL/TrojanDropper.Small.EF also known as:
| Bkav | W32.AIDetectNet.01 |
| Cynet | Malicious (score: 99) |
| FireEye | Generic.mg.d663604f6f0da2ba |
| Cylance | Unsafe |
| Sangfor | Suspicious.Win32.Save.a |
| K7AntiVirus | Trojan ( 700000121 ) |
| K7GW | Trojan ( 700000121 ) |
| Cybereason | malicious.f6f0da |
| Symantec | ML.Attribute.HighConfidence |
| Elastic | malicious (high confidence) |
| ESET-NOD32 | a variant of MSIL/TrojanDropper.Small.EF |
| APEX | Malicious |
| Kaspersky | HEUR:Backdoor.MSIL.Bladabindi.gen |
| BitDefender | IL:Trojan.MSILZilla.19736 |
| MicroWorld-eScan | IL:Trojan.MSILZilla.19736 |
| Avast | Win32:RATX-gen [Trj] |
| Ad-Aware | IL:Trojan.MSILZilla.19736 |
| Emsisoft | IL:Trojan.MSILZilla.19736 (B) |
| VIPRE | IL:Trojan.MSILZilla.19736 |
| Trapmine | malicious.high.ml.score |
| Sophos | ML/PE-A |
| GData | IL:Trojan.MSILZilla.19736 |
| Avira | HEUR/AGEN.1221666 |
| Arcabit | IL:Trojan.MSILZilla.D4D18 |
| Microsoft | Program:Win32/Wacapew.C!ml |
| AhnLab-V3 | Trojan/Win32.RL_Small.C3488454 |
| Acronis | suspicious |
| ALYac | IL:Trojan.MSILZilla.19736 |
| MAX | malware (ai score=87) |
| Rising | Trojan.Generic/MSIL@AI.92 (RDM.MSIL:3mC2TxezQnHrQgLEQsremQ) |
| SentinelOne | Static AI – Malicious PE |
| MaxSecure | Trojan.Malware.300983.susgen |
| Fortinet | MSIL/Small.EF!tr |
| BitDefenderTheta | Gen:NN.ZemsilF.34592.em0@aSAYP3f |
| AVG | Win32:RATX-gen [Trj] |
| CrowdStrike | win/malicious_confidence_100% (D) |
How to remove MSIL/TrojanDropper.Small.EF?
- 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.
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