Win32/Sirefef.J

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Win32/Sirefef.J infection?

In this article you will locate about the definition of Win32/Sirefef.J as well as its unfavorable effect on your computer. Such ransomware are a kind of malware that is elaborated by on-line fraudulences to demand paying the ransom by a target.

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In the majority of the situations, Win32/Sirefef.J ransomware will instruct its targets to start funds move for the function of neutralizing the amendments that the Trojan infection has actually presented to the sufferer’s device.

Win32/Sirefef.J Summary

These alterations can be as complies with:

  • Anomalous binary characteristics;
  • Ciphering the records located on the victim’s hard disk — so the victim can no longer use the information;
  • Preventing regular accessibility to the sufferer’s workstation;

Win32/Sirefef.J

One of the most regular networks through which Win32/Sirefef.J Ransomware are infused are:

  • By methods of phishing emails;
  • As a consequence of customer winding up on a resource that organizes a malicious software;

As quickly as the Trojan is efficiently infused, it will either cipher the data on the victim’s PC or prevent the tool from working in an appropriate fashion – while additionally positioning a ransom money note that points out the requirement for the targets to effect the settlement for the function of decrypting the records or restoring the file system back to the initial problem. In most instances, the ransom money note will turn up when the client reboots the COMPUTER after the system has actually already been harmed.

Win32/Sirefef.J circulation networks.

In various edges of the globe, Win32/Sirefef.J grows by leaps as well as bounds. Nonetheless, the ransom money notes and tricks of extorting the ransom amount might vary depending upon particular regional (regional) setups. The ransom notes and tricks of extorting the ransom money amount might vary depending on certain local (local) setups.

Ransomware injection

For example:

    Faulty signals concerning unlicensed software.

    In particular locations, the Trojans commonly wrongfully report having actually identified some unlicensed applications enabled on the target’s device. The sharp then requires the individual to pay the ransom money.

    Faulty declarations about prohibited content.

    In countries where software application piracy is less preferred, this method is not as effective for the cyber fraudulences. Alternatively, the Win32/Sirefef.J popup alert may incorrectly declare to be originating from a police organization as well as will report having situated child porn or various other unlawful data on the device.

    Win32/Sirefef.J popup alert might falsely declare to be obtaining from a law enforcement organization as well as will certainly report having situated child pornography or various other unlawful information on the device. The alert will in a similar way consist of a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: 63F09541
md5: 0c9d7985ef18ff2f85119b8925771cef
name: 0C9D7985EF18FF2F85119B8925771CEF.mlw
sha1: 296fc5499443dd5afb7777a9912499a0ba420c6e
sha256: e19d68ac7594e6ff4027c6be8a9c8c8a350ec9675e59120868cabce88e9c0f2a
sha512: be41447ec8f4eaa5ff325b8ed21d305e6251bef5f7e20b35075390adc9bce2728e80cae245ad3acd1e288cf9f84a190e1735e81e3be1a899002f250c36e34bcc
ssdeep: 1536:DhpOquHsAxX4bOBKgTtOGJRAdSSwFs9og3xmvQ8PeeoJ:DCDJtKgTtO+AdGxv1GeoJ
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Sirefef.J also known as:

GridinSoft Trojan.Ransom.Gen
Lionic Trojan.Win32.Digitala.kZsQ
Elastic malicious (high confidence)
DrWeb Trojan.MulDrop.55480
Cynet Malicious (score: 100)
ALYac Gen:Variant.Mikey.118465
Cylance Unsafe
Zillya Trojan.Digitala.Win32.6
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (W)
Alibaba Ransom:Win32/Digitala.1eb5a682
Cybereason malicious.5ef18f
Cyren W32/Risk.AINA-5010
Symantec Trojan Horse
ESET-NOD32 Win32/Sirefef.J
APEX Malicious
Avast Win32:FakeAlert-FC [Trj]
ClamAV Win.Trojan.Ransom-405
Kaspersky Trojan-Ransom.Win32.Digitala.d
BitDefender Gen:Variant.Mikey.118465
NANO-Antivirus Trojan.Win32.Digitala.kmkz
MicroWorld-eScan Gen:Variant.Mikey.118465
Tencent Win32.Trojan.Digitala.Hzh
Ad-Aware Gen:Variant.Mikey.118465
Comodo TrojWare.Win32.Ransom.Digitala.A@1nyeam
VIPRE Trojan.Win32.FraudPack.tm (v)
TrendMicro TROJ_RANSOM.SMAL
McAfee-GW-Edition Artemis!Trojan
FireEye Generic.mg.0c9d7985ef18ff2f
Emsisoft Gen:Variant.Mikey.118465 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan/Digitala.l
Antiy-AVL Trojan/Generic.ASMalwS.651889
Microsoft TrojanDropper:Win32/Sirefef.B
GData Gen:Variant.Mikey.118465
McAfee Artemis!0C9D7985EF18
MAX malware (ai score=100)
VBA32 Hoax.Digitala
Panda Trj/CI.A
TrendMicro-HouseCall TROJ_RANSOM.SMAL
Rising Trojan.DL.Win32.Nodef.aog (CLASSIC)
Yandex Trojan.GenAsa!ClnbPHCJQD0
Ikarus Trojan-Ransom.FileCrypter
MaxSecure Trojan.Malware.874562.susgen
Fortinet W32/Digitala.D!tr
AVG Win32:FakeAlert-FC [Trj]
Qihoo-360 Win32/Trojan.FakeAv.HgIASOYA

How to remove Win32/Sirefef.J ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Win32/Sirefef.J files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

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If the guide doesn’t help you to remove Win32/Sirefef.J you can always ask me in the comments for getting help.

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/comparison

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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