Win32:Dropper-OAF [Drp]

Written by Robert Bailey

What is Win32:Dropper-OAF [Drp] infection?

In this short article you will certainly locate concerning the interpretation of Win32:Dropper-OAF [Drp] and also its negative impact on your computer system. Such ransomware are a type of malware that is clarified by on the internet fraudulences to demand paying the ransom money by a target.

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Most of the instances, Win32:Dropper-OAF [Drp] ransomware will certainly advise its targets to launch funds transfer for the purpose of neutralizing the amendments that the Trojan infection has actually introduced to the victim’s gadget.

Win32:Dropper-OAF [Drp] Summary

These alterations can be as follows:

  • Unconventionial language used in binary resources: Korean;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • Ciphering the papers located on the sufferer’s hard drive — so the victim can no more use the information;
  • Preventing normal access to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Win32:Dropper-OAF [Drp]

One of the most normal channels whereby Win32:Dropper-OAF [Drp] Trojans are infused are:

  • By methods of phishing emails;
  • As a consequence of user winding up on a resource that holds a harmful software application;

As soon as the Trojan is successfully injected, it will certainly either cipher the data on the victim’s PC or protect against the device from working in a proper fashion – while additionally positioning a ransom money note that states the requirement for the victims to impact the settlement for the function of decrypting the files or recovering the file system back to the first problem. In the majority of circumstances, the ransom money note will turn up when the client reboots the PC after the system has actually currently been damaged.

Win32:Dropper-OAF [Drp] distribution networks.

In numerous corners of the world, Win32:Dropper-OAF [Drp] expands by jumps as well as bounds. However, the ransom notes and also tricks of obtaining the ransom quantity might differ relying on certain local (regional) setups. The ransom money notes and methods of obtaining the ransom money amount might vary depending on certain neighborhood (local) setups.

Ransomware injection

For instance:

    Faulty notifies concerning unlicensed software program.

    In specific locations, the Trojans often wrongfully report having actually spotted some unlicensed applications made it possible for on the sufferer’s tool. The alert after that requires the customer to pay the ransom.

    Faulty declarations about illegal material.

    In countries where software piracy is less preferred, this technique is not as efficient for the cyber fraudulences. Conversely, the Win32:Dropper-OAF [Drp] popup alert may incorrectly declare to be stemming from a police institution and also will certainly report having located child pornography or various other prohibited information on the gadget.

    Win32:Dropper-OAF [Drp] popup alert might wrongly claim to be deriving from a legislation enforcement institution as well as will report having located child porn or various other prohibited information on the device. The alert will in a similar way contain a demand for the individual to pay the ransom money.

Technical details

File Info:

crc32: C8E0D5ED
md5: 9707bdaa19f6ac196189975c8eb1ef52
name: 9707BDAA19F6AC196189975C8EB1EF52.mlw
sha1: 073463609e1eaa4460f132555c5744ca61d6a8c1
sha256: 2cb5e0107290267a8c76aa4e1500eabb9a19bbc76c8472509c9530c648c75155
sha512: 3ff9c168ecb6b74e9d7dfbf0f4d5270d8470f407c9a52141b896936e543a6a8135b1e826d44af15872460cab76dadd38f1ccdf2f8375c5a005ea500c9259fff5
ssdeep: 12288:xdBNKTCqqwXCcdgTw9+MvA+BisqYpxHte1oS7:xLjQC+bs0YD
type: PE32 executable (Unknown subsystem 0x0) Unknown processor type 0x0 (stripped to external PDB), for MS Windows, UPX compressed

Version Info:

0: [No Data]

Win32:Dropper-OAF [Drp] also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.AVKill.33464
ClamAV Win.Malware.Urelas-6838238-0
CAT-QuickHeal Trojan.Mauvaise.SL1
Malwarebytes Bladabindi.Backdoor.Njrat.DDS
Zillya Backdoor.PePatch.Win32.40158
Sangfor Trojan.Win32.Save.a
Cybereason malicious.09e1ea
Baidu Win32.Trojan.Urelas.a
Cyren W32/Urelas.E.gen!Eldorado
Symantec SMG.Heur!gen
APEX Malicious
Avast Win32:Dropper-OAF [Drp]
Cynet Malicious (score: 100)
NANO-Antivirus Trojan.Win32.Generic.ctyqoj
SUPERAntiSpyware Trojan.Agent/Gen-Urelas
Tencent Ransom.Win32.CryLock.a
Sophos ML/PE-A + Troj/Urelas-Q
Comodo TrojWare.Win32.Gupboot.BB@53dg1h
VIPRE Trojan.Win32.Urelas.o (v)
McAfee-GW-Edition BehavesLike.Win32.Corrupt.hh
SentinelOne Static AI – Malicious PE
eGambit Unsafe.AI_Score_99%
Microsoft Trojan:Win32/Urelas!rfn
TACHYON Ransom/W32.Agent.544546
AhnLab-V3 Trojan/Win32.Ransom.R231198
Acronis suspicious
McAfee Dropper-FHZ!9707BDAA19F6
Rising Trojan.Gupboot!1.9CEA (CLASSIC)
Ikarus Trojan.Win32.Toga
MaxSecure Trojan.Malware.300983.susgen
AVG Win32:Dropper-OAF [Drp]

How to remove Win32:Dropper-OAF [Drp] ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

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:Dropper-OAF [Drp] 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Win32:Dropper-OAF [Drp] 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/products/

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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