MSIL/Filecoder.ASA

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the MSIL/Filecoder.ASA malware detection usually means that your PC is in big danger. This malware can correctly be named as ransomware – virus which ciphers your files and forces you to pay for their decryption. Removing it requires some peculiar steps that must be done as soon as possible.
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MSIL/Filecoder.ASA detection is a malware detection you can spectate in your system. It generally appears after the preliminary procedures on your computer – opening the untrustworthy email messages, clicking the banner in the Web or setting up the program from untrustworthy sources. From the instance it appears, you have a short time to act before it begins its malicious activity. And be sure – it is much better not to wait for these malicious actions.

What is MSIL/Filecoder.ASA virus?

MSIL/Filecoder.ASA is ransomware-type malware. It searches for the documents on your disks, encrypts it, and then asks you to pay the ransom for getting the decryption key. Besides making your files locked, this malware also does a ton of damage to your system. It modifies the networking setups in order to stop you from reading the elimination manuals or downloading the anti-malware program. In some cases, MSIL/Filecoder.ASA can additionally prevent the launching of anti-malware programs.

MSIL/Filecoder.ASA Summary

Summarizingly, MSIL/Filecoder.ASA malware activities in the infected system are next:

  • Dynamic (imported) function loading detected;
  • CAPE extracted potentially suspicious content;
  • Authenticode signature is invalid;
  • Binary compilation timestomping detected;
  • Encrypting the documents located on the victim’s disk drive — so the victim cannot use these documents;
  • Blocking the launching of .exe files of anti-virus programs
  • Blocking the launching of installation files of anti-virus programs

Ransomware has been a nightmare for the last 4 years. It is hard to imagine a more damaging malware for both individuals and companies. The algorithms used in MSIL/Filecoder.ASA (typically, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need a lot more time than our galaxy already exists, and possibly will exist. However, that virus does not do all these terrible things without delay – it may require up to several hours to cipher all of your documents. Thus, seeing the MSIL/Filecoder.ASA detection is a clear signal that you have to start the elimination process.

Where did I get the MSIL/Filecoder.ASA?

Ordinary tactics of MSIL/Filecoder.ASA spreading are common for all other ransomware examples. Those are one-day landing web pages where victims are offered to download the free program, so-called bait emails and hacktools. Bait e-mails are a pretty new tactic in malware distribution – you get the email that imitates some normal notifications about shippings or bank service conditions changes. Within the email, there is an infected MS Office file, or a link which leads to the exploit landing page.

Malicious email spam

Malicious email message. This one tricks you to open the phishing website.

Preventing it looks quite uncomplicated, however, still requires tons of recognition. Malware can hide in different spots, and it is better to stop it even before it goes into your system than to rely upon an anti-malware program. Simple cybersecurity knowledge is just an important thing in the modern-day world, even if your relationship with a PC stays on YouTube videos. That can keep you a great deal of money and time which you would certainly spend while looking for a solution.

MSIL/Filecoder.ASA malware technical details

File Info:

name: 202D119DDABFC145811B.mlw
path: /opt/CAPEv2/storage/binaries/4ef96aac2e21e56b1cd82bcc4763ec09b906e0bab09b508ed0adea2d94aaf164
crc32: 96967777
md5: 202d119ddabfc145811b43fdfe7aa5b3
sha1: 52059ff09122d14cec83f34ac824c0b41d263dd8
sha256: 4ef96aac2e21e56b1cd82bcc4763ec09b906e0bab09b508ed0adea2d94aaf164
sha512: 20fd52e668fa7d8099fb3129287a9a261db3b4a28faec1ef18b8230a24a8dc7e31ee1cf8311f005d24d6d7414d1a92f97792473697cf78d239fe8421244a7a9f
ssdeep: 768:dS++9AsVATVoaYUbvZEWyAfelci4qakfO+oDWu:MXVAxoQmAfelL4hkfO+AWu
type: PE32 executable (console) Intel 80386, for MS Windows
tlsh: T1F333CF005173C83DC96C90B815EB2FB42BB0DF5668A58BAE476CE3252F677BBCD10949
sha3_384: a17eba94f2edb1f7d544c3ed0ed6f409261d1a20e8d00cd6e2cf5a21882a40ddd7bec4b4121eb9bf2887d54aa4abae2b
ep_bytes: ff250020400000000000000000000000
timestamp: 2089-02-21 00:06:12

Version Info:

Translation: 0x0000 0x04b0
Comments:
CompanyName:
FileDescription: Johns Ransomware
FileVersion: 1.0.0.0
InternalName: Johns Ransomware.exe
LegalCopyright: Copyright © 2022
LegalTrademarks:
OriginalFilename: Johns Ransomware.exe
ProductName: John Bell
ProductVersion: 1.0.0.0
Assembly Version: 1.0.0.0

MSIL/Filecoder.ASA also known as:

BkavW32.AIDetectNet.01
LionicTrojan.MSIL.Gen.j!c
DrWebTrojan.Encoder.35608
MicroWorld-eScanTrojan.GenericKD.50624855
FireEyeTrojan.GenericKD.50624855
CAT-QuickHealTrojan.YakbeexMSIL.ZZ4
ALYacTrojan.Ransom.Filecoder
CylanceUnsafe
VIPRETrojan.GenericKD.50624855
SangforSuspicious.Win32.Save.a
K7AntiVirusTrojan ( 00594b031 )
BitDefenderTrojan.GenericKD.50624855
K7GWTrojan ( 00594b031 )
Cybereasonmalicious.ddabfc
BitDefenderThetaGen:NN.ZemsilF.34806.dm0@ayzKoYk
CyrenW32/ABRisk.PLMC-6954
SymantecRansom.Wannacry
Elasticmalicious (moderate confidence)
ESET-NOD32MSIL/Filecoder.ASA
TrendMicro-HouseCallRansom_Gen.R002C0PFO22
Paloaltogeneric.ml
KasperskyHEUR:Trojan-Ransom.MSIL.Gen.gen
AlibabaRansom:MSIL/Filecoder.bcfca501
ViRobotTrojan.Win32.Z.Ransom.51712
RisingRansom.Gen!8.DE83 (CLOUD)
Ad-AwareTrojan.GenericKD.50624855
SophosMal/Generic-S
ComodoMalware@#27vprb9x4upa8
ZillyaTrojan.Filecoder.Win32.24909
TrendMicroRansom_Gen.R002C0PFO22
McAfee-GW-EditionRansom-Nitro!202D119DDABF
EmsisoftTrojan.GenericKD.50624855 (B)
IkarusTrojan-Ransom.FileCrypter
AviraTR/Ransom.sgcnu
Antiy-AVLTrojan/Generic.ASMalwS.6C82
KingsoftWin32.Troj.Undef.(kcloud)
MicrosoftTrojan:Win32/Wacatac.B!ml
ArcabitTrojan.Generic.D3047957
GDataTrojan.GenericKD.50624855
CynetMalicious (score: 99)
AhnLab-V3Ransomware/Win.Nitro.C5178907
McAfeeRansom-Nitro!202D119DDABF
MAXmalware (ai score=80)
MalwarebytesRansom.FileCryptor
PandaTrj/Chgt.AB
APEXMalicious
TencentMsil.Trojan.Gen.Hmrl
SentinelOneStatic AI – Malicious PE
MaxSecureTrojan.Malware.73762894.susgen
FortinetMSIL/Filecoder.ASA!tr.ransom
AVGWin32:Malware-gen
AvastWin32:Malware-gen
CrowdStrikewin/malicious_confidence_100% (W)

How to remove MSIL/Filecoder.ASA?

MSIL/Filecoder.ASA malware is incredibly difficult to delete by hand. It puts its files in a variety of locations throughout the disk, and can recover itself from one of the elements. Additionally, a lot of modifications in the registry, networking setups and Group Policies are quite hard to locate and revert to the initial. It is much better to utilize a specific app – exactly, an anti-malware tool. GridinSoft Anti-Malware will fit the best for virus elimination goals.

Why GridinSoft Anti-Malware? It is pretty light-weight and has its detection databases updated just about every hour. Furthermore, it does not have such bugs and exposures as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware perfect for clearing away malware of any form.

Remove the viruses with GridinSoft Anti-Malware

  • Download and install GridinSoft Anti-Malware. After the installation, you will be offered to perform the Standard Scan. Approve this action.
  • Gridinsoft Anti-Malware during the scan process

  • Standard scan checks the logical disk where the system files are stored, together with the files of programs you have already installed. The scan lasts up to 6 minutes.
  • GridinSoft Anti-Malware scan results

  • When the scan is over, you may choose the action for each detected virus. For all files of [SHORT_NAME] the default option is “Delete”. Press “Apply” to finish the malware removal.
  • GridinSoft Anti-Malware - After Cleaning
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About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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