Win32/Packed.Obsidium.EJ

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Win32/Packed.Obsidium.EJ detection name means that your system is in big danger. This virus can correctly be identified as ransomware – sort of malware which encrypts your files and forces you to pay for their decryption. Deleteing it requires some specific steps that must be taken as soon as possible.
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Win32/Packed.Obsidium.EJ detection is a malware detection you can spectate in your computer. It usually appears after the provoking actions on your computer – opening the dubious email messages, clicking the banner in the Web or installing the program from untrustworthy resources. From the moment it shows up, you have a short time to act until it begins its destructive action. And be sure – it is better not to await these harmful effects.

What is Win32/Packed.Obsidium.EJ virus?

Win32/Packed.Obsidium.EJ is ransomware-type malware. It searches for the files on your disk, encrypts it, and after that asks you to pay the ransom for getting the decryption key. Besides making your documents locked, this malware also does a lot of harm to your system. It modifies the networking setups in order to prevent you from looking for the elimination guidelines or downloading the anti-malware program. In some cases, Win32/Packed.Obsidium.EJ can additionally prevent the setup of anti-malware programs.

Win32/Packed.Obsidium.EJ Summary

In summary, Win32/Packed.Obsidium.EJ malware activities in the infected system are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Creates RWX memory;
  • Possible date expiration check, exits too soon after checking local time;
  • Dynamic (imported) function loading detected;
  • Reads data out of its own binary image;
  • CAPE extracted potentially suspicious content;
  • The binary contains an unknown PE section name indicative of packing;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Anomalous binary characteristics;
  • Encrypting the documents kept on the victim’s disk — so the victim cannot open these files;
  • Blocking the launching of .exe files of anti-malware programs
  • Blocking the launching of installation files of anti-virus programs

Ransomware has been a nightmare for the last 4 years. It is difficult to imagine a more hazardous malware for both individuals and organizations. The algorithms utilized in Win32/Packed.Obsidium.EJ (generally, 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. But that virus does not do all these horrible things without delay – it can take up to a few hours to cipher all of your files. Hence, seeing the Win32/Packed.Obsidium.EJ detection is a clear signal that you must start the clearing procedure.

Where did I get the Win32/Packed.Obsidium.EJ?

Standard tactics of Win32/Packed.Obsidium.EJ injection are standard for all other ransomware examples. Those are one-day landing sites where users are offered to download and install the free app, so-called bait e-mails and hacktools. Bait emails are a pretty new method in malware distribution – you receive the email that simulates some routine notifications about shippings or bank service conditions changes. Inside of the e-mail, there is a malicious MS Office file, or a web 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 fairly uncomplicated, but still demands tons of recognition. Malware can hide in various places, and it is much better to stop it even before it goes into your PC than to depend on an anti-malware program. Essential cybersecurity awareness is just an important thing in the modern-day world, even if your interaction with a PC stays on YouTube videos. That can save you a lot of money and time which you would certainly spend while trying to find a fix guide.

Win32/Packed.Obsidium.EJ malware technical details

File Info:

name: 9347AE38D81D9B269186.mlw
path: /opt/CAPEv2/storage/binaries/93c8b476a7b6619d3de9c75c22718ff3db5c9bd579eae5633d7930ef7668bfbe
crc32: DAF24A8D
md5: 9347ae38d81d9b269186a29a2c147258
sha1: f3ffe22170aed085773f04305d5e82d78517e368
sha256: 93c8b476a7b6619d3de9c75c22718ff3db5c9bd579eae5633d7930ef7668bfbe
sha512: b8b9f1e714204516945d643c5bd4e8f1bf52bdae5f765ea92d2d0708e6424422220318d4345668133adcc5457b18d2302325ca985691389a9d0ade1ec55e35f8
ssdeep: 12288:vGMHy87sn889kUcZHfioLvJWJeL9q1qTJKtG9hnqkkhBzlNHp84niXzx6:Oq729eNKotWUkqagmBZUt
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1E9E422CB8BD5CE73EC0C17B9E2838340BB71E4A867872753555116327E673A1DC6A6D0
sha3_384: bfe13f19d2c88be1d2319cd46cee4cbfdce288c99c26bf5aba5b1e5a387eeeef78d66efb64f3b93d2a7f897bd36a6b20
ep_bytes: eb05699404973250eb05d0aefe7b01e8
timestamp: 2022-01-13 10:06:46

Version Info:

0: [No Data]

Win32/Packed.Obsidium.EJ also known as:

BkavW32.AIDetect.malware2
LionicTrojan.Win32.Convagent.3!c
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.GenericKD.38534143
FireEyeGeneric.mg.9347ae38d81d9b26
ALYacTrojan.GenericKD.38534143
CylanceUnsafe
SangforInfostealer.MSIL.Stealer.bt
K7AntiVirusTrojan ( 0058cfd71 )
AlibabaTrojanPSW:MSIL/Stealer.9cc82dad
K7GWTrojan ( 0058cfd71 )
Cybereasonmalicious.170aed
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Packed.Obsidium.EJ
APEXMalicious
Paloaltogeneric.ml
KasperskyTrojan-PSW.MSIL.Stealer.bt
BitDefenderTrojan.GenericKD.38534143
AvastWin32:Trojan-gen
Ad-AwareTrojan.GenericKD.38534143
EmsisoftTrojan.GenericKD.38534143 (B)
ZillyaTrojan.Stealer.Win32.21365
TrendMicroTROJ_GEN.R067C0PAJ22
McAfee-GW-EditionBehavesLike.Win32.Vundo.jc
SophosMal/Generic-S
IkarusTrojan.SuspectCRC
GDataTrojan.GenericKD.38534143
MicrosoftTrojan:Win32/Sabsik.FL.B!ml
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win.Muldown.C4918206
McAfeeRDN/Generic PWS.y
MAXmalware (ai score=88)
VBA32TScope.Malware-Cryptor.SB
MalwarebytesTrojan.MalPack
TrendMicro-HouseCallTROJ_GEN.R067C0PAJ22
RisingExploit.ShellCode!8.2A (CLOUD)
SentinelOneStatic AI – Malicious PE
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/PossibleThreat
BitDefenderThetaGen:NN.ZexaF.34160.OuX@aWQbfwb
AVGWin32:Trojan-gen
PandaTrj/Genetic.gen

How to remove Win32/Packed.Obsidium.EJ?

Win32/Packed.Obsidium.EJ malware is incredibly hard to remove by hand. It stores its data in a variety of places throughout the disk, and can recover itself from one of the elements. Moreover, various modifications in the registry, networking setups and Group Policies are really hard to discover and revert to the original. It is better to utilize a specific app – exactly, an anti-malware tool. GridinSoft Anti-Malware will fit the best for virus removal reasons.

Why GridinSoft Anti-Malware? It is very light-weight and has its detection databases updated practically every hour. Furthermore, it does not have such bugs and exposures as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware perfect for eliminating malware of any type.

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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