MSIL/Filecoder.WannaScream.A

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the MSIL/Filecoder.WannaScream.A detection name means that your PC is in big danger. This malware can correctly be named as ransomware – sort of malware which encrypts your files and forces you to pay for their decryption. Removing it requires some specific steps that must be taken as soon as possible.
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MSIL/Filecoder.WannaScream.A detection is a virus detection you can spectate in your system. It often appears after the provoking actions on your computer – opening the dubious email, clicking the advertisement in the Web or installing the program from suspicious resources. From the second it shows up, you have a short time to act until it begins its malicious activity. And be sure – it is much better not to wait for these destructive effects.

What is MSIL/Filecoder.WannaScream.A virus?

MSIL/Filecoder.WannaScream.A is ransomware-type malware. It looks for the files on your disk, ciphers it, and then asks you to pay the ransom for getting the decryption key. Besides making your documents inaccessible, this virus additionally does a lot of damage to your system. It changes the networking settings in order to avoid you from reading the removal articles or downloading the anti-malware program. In some cases, MSIL/Filecoder.WannaScream.A can additionally prevent the launching of anti-malware programs.

MSIL/Filecoder.WannaScream.A Summary

In summary, MSIL/Filecoder.WannaScream.A malware actions in the infected computer are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Dynamic (imported) function loading detected;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Possible date expiration check, exits too soon after checking local time;
  • Enumerates the modules from a process (may be used to locate base addresses in process injection);
  • CAPE extracted potentially suspicious content;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • CAPE detected the RedLine malware family;
  • Anomalous binary characteristics;
  • Ciphering the files located on the victim’s disk — so the victim cannot use these documents;
  • Blocking the launching of .exe files of anti-malware programs
  • Blocking the launching of installation files of security tools

Ransomware has actually been a horror story for the last 4 years. It is challenging to realize a more damaging malware for both individuals and companies. The algorithms used in MSIL/Filecoder.WannaScream.A (typically, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have more time than our galaxy currently exists, and possibly will exist. However, that malware does not do all these horrible things instantly – it may take up to several hours to cipher all of your documents. Thus, seeing the MSIL/Filecoder.WannaScream.A detection is a clear signal that you have to begin the elimination procedure.

Where did I get the MSIL/Filecoder.WannaScream.A?

Ordinary methods of MSIL/Filecoder.WannaScream.A injection are basic for all other ransomware examples. Those are one-day landing web pages where victims are offered to download the free app, so-called bait emails and hacktools. Bait emails are a relatively new strategy in malware spreading – you get the e-mail that imitates some routine notifications about deliveries or bank service conditions changes. Inside of the email, there is an infected MS Office file, or a web link which leads to the exploit landing site.

Malicious email spam

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

Avoiding it looks quite easy, however, still demands a lot of recognition. Malware can hide in different spots, and it is far better to prevent it even before it goes into your PC than to trust in an anti-malware program. Standard cybersecurity awareness is just an important thing in the modern-day world, even if your relationship with a computer remains on YouTube videos. That may keep you a lot of time and money which you would spend while seeking a fix guide.

MSIL/Filecoder.WannaScream.A malware technical details

File Info:

name: 4904684DB28C1664C73A.mlw
path: /opt/CAPEv2/storage/binaries/4406a07662b5bded717ad223f88c6bd0427f2e6e40537b91cedaa94d0d0170bf
crc32: 7A641BFF
md5: 4904684db28c1664c73acaf35034fae5
sha1: 13c4894fefb10b35164ab276bb14099f22977722
sha256: 4406a07662b5bded717ad223f88c6bd0427f2e6e40537b91cedaa94d0d0170bf
sha512: a97cef84287a10f0fae6530d0e09293f6dbb6c21734a178004784f0837afd89b329c7cc8180995e631a1306fbd1d69d0fca902cfb53fb542e8d795ef94df8579
ssdeep: 3072:WDKW1LgppLRHMY0TBfJvjcTp5X5F44xedxW9H7qw9b8FAvuwH:WDKW1Lgbdl0TBBvjc/Qdxi7qvAvuo
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T18A24BE1171C0C1B3C4B6153485E6CB795E3A70710B7A95EBBBDD1BBA6E202E1A3362CD
sha3_384: 33bc4531471ce2cdf9ee0be233bcfbae302929d59127cd664f3d98fb61c768661d8eb78c84e32f51dd061045ef1c8180
ep_bytes: e8e15c0000e9a4feffff8bff558bec83
timestamp: 2012-07-13 22:47:16

Version Info:

Translation: 0x0000 0x04b0
Comments: Antivirus
CompanyName:
FileDescription: Antivirus
FileVersion: 1.0.0.0
InternalName: Antivirus.exe
LegalCopyright: Copyright © 2017
LegalTrademarks:
OriginalFilename: Antivirus.exe
ProductName:
ProductVersion: 1.0.0.0
Assembly Version: 1.0.0.0

MSIL/Filecoder.WannaScream.A also known as:

LionicTrojan.Win32.Malicious.4!c
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.GenericKD.38218245
FireEyeGeneric.mg.4904684db28c1664
CAT-QuickHealRansom.Genasom.S1302864
ALYacTrojan.GenericKD.38218245
CylanceUnsafe
K7AntiVirusTrojan ( 0058b8691 )
AlibabaTrojan:MSIL/Filecoder.6195b692
Cybereasonmalicious.fefb10
BitDefenderThetaGen:NN.ZexaF.34062.nq0@aykJjqn
CyrenW32/Trojan.DAN.gen!Eldorado
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of MSIL/Filecoder.WannaScream.A
APEXMalicious
Paloaltogeneric.ml
KasperskyTrojan.MSIL.Agent.qwilbp
BitDefenderTrojan.GenericKD.38218245
AvastWin32:Trojan-gen
Ad-AwareTrojan.GenericKD.38218245
SophosMal/Generic-S
McAfee-GW-EditionBehavesLike.Win32.Generic.dc
EmsisoftTrojan.GenericKD.38218245 (B)
SentinelOneStatic AI – Malicious PE
GDataWin32.Trojan-Ransom.Filecoder.V9946E@gen
eGambitUnsafe.AI_Score_99%
AviraHEUR/AGEN.1200781
MicrosoftTrojan:Win32/Sabsik.FL.B!ml
CynetMalicious (score: 100)
Acronissuspicious
McAfeeArtemis!4904684DB28C
MAXmalware (ai score=86)
MalwarebytesMachineLearning/Anomalous.93%
TrendMicro-HouseCallTROJ_GEN.R002H0CL721
RisingMalware.Heuristic!ET#100% (RDMK:cmRtazp0atQisiSlqyB/mPBTnEtB)
IkarusTrojan.MSIL.Spy
MaxSecureTrojan.Malware.300983.susgen
FortinetMSIL/Filecoder_WannaScream.A!tr
AVGWin32:Trojan-gen
CrowdStrikewin/malicious_confidence_60% (W)

How to remove MSIL/Filecoder.WannaScream.A?

MSIL/Filecoder.WannaScream.A malware is very hard to delete by hand. It puts its documents in several places throughout the disk, and can recover itself from one of the parts. Furthermore, a number of changes in the registry, networking setups and Group Policies are fairly hard to find and revert to the original. It is far better to make use of a special app – exactly, an anti-malware tool. GridinSoft Anti-Malware will fit the most ideal for virus elimination purposes.

Why GridinSoft Anti-Malware? It is very lightweight and has its databases updated nearly every hour. Moreover, it does not have such bugs and vulnerabilities as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware suitable 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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