Should I remove “Trojan.MsilFC.S21583799”?

The Trojan.MsilFC.S21583799 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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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.

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What Trojan.MsilFC.S21583799 virus can do?

Creates RWX memory
A process created a hidden window
Uses Windows utilities for basic functionality
Network activity detected but not expressed in API logs
Anomalous binary characteristics

How to determine Trojan.MsilFC.S21583799?


File Info:
crc32: EB8EE7B8
md5: 1dffe3427f1236c6ce48e54f8f80b3d0
name: 1DFFE3427F1236C6CE48E54F8F80B3D0.mlw
sha1: 3c1341a13b44e168e9976ad4022fd7ee80c53fd7
sha256: c9c5d31b1a8e0728a7e12ea6eb6247373fda13e84c66b8ac4a86735eef6d4aa9
sha512: 57f0b3d9f49a7c94a5ca7e7735762c7ec720ac4394c167dc17e646499da0f8445bf24fc85d53ab1752e00a2e6d680d212f1193a219bae13494179ec4c743a166
ssdeep: 384:xXbAFgu0nGbf2pEKeAc0Xfyze+nmKVDhiKvM:xXVu0GSpEKekzGDhiKU
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:
Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9  2018
Assembly Version: 1.0.0.0
InternalName: Festaral.exe
FileVersion: 1.0.0.0
CompanyName: 
LegalTrademarks: 
Comments: 
ProductName: Festaral
ProductVersion: 1.0.0.0
FileDescription: Festaral
OriginalFilename: Festaral.exe

Trojan.MsilFC.S21583799 also known as:

K7AntiVirus	Trojan ( 004d3df31 )
DrWeb	Trojan.PWS.Steam.15953
Cynet	Malicious (score: 99)
CAT-QuickHeal	Trojan.MsilFC.S21583799
ALYac	Trojan.GenericKD.30393467
Cylance	Unsafe
Zillya	Trojan.Generic.Win32.295948
Sangfor	Trojan.Win32.Save.a
CrowdStrike	win/malicious_confidence_60% (D)
K7GW	Trojan ( 004d3df31 )
Cybereason	malicious.27f123
Symantec	ML.Attribute.HighConfidence
ESET-NOD32	a variant of MSIL/Filecoder.AC
APEX	Malicious
Avast	Win32:Malware-gen
Kaspersky	HEUR:Trojan-Ransom.MSIL.Generic
BitDefender	Trojan.GenericKD.30393467
NANO-Antivirus	Trojan.Win32.Ransom.eyvcxj
MicroWorld-eScan	Trojan.GenericKD.30393467
Tencent	Msil.Trojan.Generic.Edox
Ad-Aware	Trojan.GenericKD.30393467
Sophos	Mal/Generic-S
Comodo	Malware@#2u43s1v9g6k1o
BitDefenderTheta	Gen:NN.ZemsilF.34088.bm0@auXDqVg
VIPRE	Trojan.Win32.Generic!BT
McAfee-GW-Edition	Artemis!Trojan
FireEye	Generic.mg.1dffe3427f1236c6
Emsisoft	Trojan.GenericKD.30393467 (B)
SentinelOne	Static AI – Malicious PE
Jiangmin	Trojan.MSIL.irzi
Avira	HEUR/AGEN.1115170
eGambit	Unsafe.AI_Score_99%
Antiy-AVL	Trojan/Generic.ASMalwS.24F76D1
Microsoft	Ransom:Win32/Genasom
GData	Trojan.GenericKD.30393467
AhnLab-V3	Trojan/Win32.FileCoder.C3340937
McAfee	Artemis!1DFFE3427F12
MAX	malware (ai score=98)
Malwarebytes	Ransom.FileCryptor
Panda	Trj/GdSda.A
Yandex	Trojan.Filecoder!mUrufkw/nQ0
Ikarus	Trojan-Ransom.FileCrypter
MaxSecure	Trojan.Malware.300983.susgen
Fortinet	MSIL/Filecoder.AC!tr
AVG	Win32:Malware-gen
Paloalto	generic.ml
Qihoo-360	Win32/Ransom.Generic.HwMAEpsA

How to remove Trojan.MsilFC.S21583799?

Trojan.MsilFC.S21583799 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.

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