Ransom.Wannacash

Written by Robert Bailey

What is Ransom.Wannacash infection?

In this post you will certainly find concerning the meaning of Ransom.Wannacash and also its unfavorable effect on your computer. Such ransomware are a type of malware that is specified by online frauds to require paying the ransom money by a target.

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It is better to prevent, than repair and repent!

When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
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Most of the instances, Ransom.Wannacash ransomware will instruct its targets to start funds move for the objective of counteracting the amendments that the Trojan infection has actually introduced to the target’s tool.

Ransom.Wannacash Summary

These alterations can be as complies with:

  • Attempts to connect to a dead IP:Port (4 unique times);
  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • Detected script timer window indicative of sleep style evasion;
  • A process attempted to delay the analysis task.;
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • Performs some HTTP requests;
  • A scripting utility was executed;
  • A wscript.exe process commonly used in script or document file downloaders initiated network activity;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Ciphering the papers situated on the target’s hard disk drive — so the target can no longer make use of the data;
  • Preventing regular 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.
Similar behavior
Related domains
iplogger.org Win32:RansomX-gen [Ransom]
ocsp.comodoca.com Win32:RansomX-gen [Ransom]
ocsp.usertrust.com Win32:RansomX-gen [Ransom]
ocsp.sectigo.com Win32:RansomX-gen [Ransom]

Ransom.Wannacash

One of the most typical networks where Ransom.Wannacash are infused are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As an effect of user ending up on a source that organizes a harmful software application;

As quickly as the Trojan is successfully injected, it will either cipher the data on the sufferer’s computer or stop the tool from working in a proper way – while also putting a ransom note that states the need for the targets to impact the settlement for the objective of decrypting the files or recovering the data system back to the first condition. In a lot of circumstances, the ransom money note will certainly show up when the client restarts the PC after the system has actually currently been damaged.

Ransom.Wannacash distribution channels.

In numerous corners of the world, Ransom.Wannacash grows by jumps and also bounds. Nonetheless, the ransom notes as well as techniques of extorting the ransom quantity might differ depending upon particular regional (regional) setups. The ransom notes and techniques of obtaining the ransom quantity may differ depending on particular local (local) setups.

Ransomware injection

For example:

    Faulty notifies regarding unlicensed software program.

    In particular areas, the Trojans typically wrongfully report having discovered some unlicensed applications enabled on the target’s tool. The alert after that requires the user to pay the ransom.

    Faulty declarations regarding illegal content.

    In nations where software application piracy is much less popular, this approach is not as efficient for the cyber fraudulences. Conversely, the Ransom.Wannacash popup alert may falsely claim to be deriving from a law enforcement institution and also will report having located child porn or various other prohibited information on the tool.

    Ransom.Wannacash popup alert might incorrectly declare to be obtaining from a law enforcement organization as well as will report having situated youngster porn or other unlawful data on the gadget. The alert will in a similar way contain a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: 7448EB83
md5: 764e62be19b80b8d45cd22160abf6f16
name: 764E62BE19B80B8D45CD22160ABF6F16.mlw
sha1: bb066fa4bd78c7a89a45ba2c7bdb3ac181d94f04
sha256: 20a6e8198a7024ae44352ef05a30b550496f7c4e35184c1a6c722476f33922a4
sha512: eec0d9d218cf5a7e0281828b89c2d4443026b42fc9795339e8ee6d1d4755e466ffd2388843ccb3207d9f1edc7a0c0a102c39712f71d966e73c447a15e92cee3a
ssdeep: 24576:pNA3R5drX1N4KPQcqVey4N7TXUHluFblH2Zcn663tUZDc:s5zDPQcQ87slu5lW2nFdUy
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom.Wannacash also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 0055bfd31 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.30207
Cynet Malicious (score: 100)
ALYac Trojan.GenericKD.32800628
Cylance Unsafe
CrowdStrike win/malicious_confidence_80% (W)
Alibaba Trojan:Win32/Skeeyah.02b78fb0
K7GW Trojan ( 0055bfd31 )
Cybereason malicious.e19b80
Cyren W32/Encoder.HZSL-7779
Symantec Downloader
ESET-NOD32 Win32/Filecoder.WannaCash.D
Zoner Trojan.Win32.86407
APEX Malicious
Avast Win32:RansomX-gen [Ransom]
Kaspersky Trojan-Ransom.Win32.Encoder.gmg
BitDefender Trojan.GenericKD.32800628
NANO-Antivirus Trojan.Win32.Filecoder.gurdxw
MicroWorld-eScan Trojan.GenericKD.32800628
Tencent Win32.Trojan.Encoder.Agli
Ad-Aware Trojan.GenericKD.32800628
Comodo Malware@#2z1iqa8imy006
BitDefenderTheta Gen:NN.ZelphiF.34690.1U0@aWooRgni
VIPRE Win32.Malware!Drop
TrendMicro Ransom.Win32.WANNACASH.B
McAfee-GW-Edition BehavesLike.Win32.Suspicioustrojan.tc
FireEye Generic.mg.764e62be19b80b8d
Emsisoft Trojan.GenericKD.32800628 (B)
Avira TR/Encoder.vpkos
Antiy-AVL Trojan/Generic.ASMalwS.2D59551
Microsoft Trojan:Win32/Skeeyah.A!MTB
Arcabit Trojan.Generic.D1F47F74
AegisLab Trojan.BAT.Crypter.tqa8
GData Win32.Trojan.Agent.BMPIMR
AhnLab-V3 Malware/Win32.Generic.C3644343
McAfee Artemis!764E62BE19B8
MAX malware (ai score=86)
VBA32 TrojanRansom.Encoder
Malwarebytes Ransom.Wannacash
Panda Trj/WLT.F
TrendMicro-HouseCall Ransom.Win32.WANNACASH.B
Rising Trojan.Pack-RAR!1.BB61 (KTSE)
Yandex Trojan.Filecoder!LP80U6kk0iE
Ikarus Trojan-Ransom.FileCrypter
MaxSecure Trojan.Malware.1728101.susgen
Fortinet W32/Encoder.FRR!tr.ransom
AVG Win32:RansomX-gen [Ransom]
Paloalto generic.ml

How to remove Ransom.Wannacash 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 Ransom.Wannacash 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 Ransom.Wannacash 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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