Ransom:Win32/Avaddon Virus Removal

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

Seeing the Ransom:Win32/Avaddon detection name means that your computer is in big danger. This virus can correctly be named as ransomware – a sort of malware that ciphers your files and asks you to pay for their decryption. Stopping it requires some peculiar steps that must be done as soon as possible.

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Ransom:Win32/Avaddon detection is a malware detection you can spectate on your computer. It generally shows up after the preliminary procedures on your PC – opening dubious email messages, clicking the advertisement on the Web, or installing the program from suspicious resources. From the second it appears, you have a short time to take action before it starts its harmful action. And be sure – it is better not to wait for these harmful actions.

What is Ransom:Win32/Avaddon virus?

Ransom:Win32/Avaddon is ransomware-type malware. It searches for the documents on your computer, encrypts it, and after that asks you to pay the ransom to get the decryption key. Besides making your documents locked, this malware also does a lot of damage to your system. It modifies the networking setups in order to stop you from checking out the elimination articles or downloading the anti-malware program. In rare cases, Ransom:Win32/Avaddon can even block the setup of anti-malware programs.

Ransom:Win32/Avaddon Summary

In total, Ransom:Win32/Avaddon ransomware activities in the infected system are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • CAPE extracted potentially suspicious content;
  • The binary contains an unknown PE section name indicative of packing;
  • The binary likely contains encrypted or compressed data.;
  • Executable file is packed/obfuscated with Themida;
  • Creates an autorun.inf file;
  • Authenticode signature is invalid;
  • Uses Windows utilities for basic functionality;
  • Behavioural detection: Transacted Hollowing;
  • Checks for the presence of known windows from debuggers and forensic tools;
  • Detects Bochs through the presence of a registry key;
  • Checks the version of Bios, possibly for anti-virtualization;
  • Detects VirtualBox through the presence of a registry key;
  • Attempts to disable UAC;
  • Attempts to ensure mapped drives are available from an elevated prompt or process with UAC enabled;
  • Attempts to modify UAC prompt behavior;
  • Anomalous binary characteristics;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Encrypting the documents located on the target’s disks — so the victim cannot check these files;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-virus apps

Ransomware has been a nightmare for the last 4 years. It is hard to imagine a more harmful virus for both individual users and corporations. The algorithms utilized in Ransom:Win32/Avaddon (generally, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with brute force, you need a lot more time than our galaxy actually exists, and possibly will exist. However, that malware does not do all these bad things immediately – it can require up to a few hours to cipher all of your documents. Therefore, seeing the Ransom:Win32/Avaddon detection is a clear signal that you need to begin the removal procedure.

Where did I get the Ransom:Win32/Avaddon?

Typical tactics of Ransom:Win32/Avaddon injection are standard for all other ransomware examples. Those are one-day landing websites where users are offered to download and install the free app, so-called bait e-mails and hacktools. Bait e-mails are a quite modern tactic in malware spreading – you receive the e-mail that simulates some routine notifications about deliveries or bank service conditions updates. Within the email, there is a corrupted MS Office file or a link that leads to the exploit landing page.

Malicious email spam befor Ransom:Win32/Avaddon injection

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

Avoiding it looks quite easy, however, still needs tons of attention. Malware can hide in different places, and it is better to prevent it even before it goes into your PC than to rely upon an anti-malware program. General cybersecurity awareness is just an important item in the modern-day world, even if your relationship with a PC remains on YouTube videos. That can save you a great deal of money and time which you would spend while trying to find a solution.

Ransom:Win32/Avaddon malware technical details

File Info:

name: 7EE92C094DE8CADE29D9.mlw
path: /opt/CAPEv2/storage/binaries/104b8c43fcc751fc0a349cfac16236236f9c3e11eba2c8a920ebad7877b39a18
crc32: B5E856BF
md5: 7ee92c094de8cade29d9e8e3ef690320
sha1: d27c279a20caf9c00963c936356834d7830bac04
sha256: 104b8c43fcc751fc0a349cfac16236236f9c3e11eba2c8a920ebad7877b39a18
sha512: 0fbcd3aecf24ed826b9266ccb1916b229f238994239df863dd220936de6c5ba398e50cdfb954b51b65c9fa4031b43300313fce8bbc8205af7b36161a99cdf5c9
ssdeep: 98304:QOV9Uro56gHLgkixdykidSESW6R4gXW2zo2kJHzQNa:fV9Uro4JVxPES7RFvCJHzQNa
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T15E3633A0A6D5ACC5CB8E47767C27C2063AB4A0763F49B473044F19721CD9E9C6BB0BE5
sha3_384: 73a85fa49ed09e9cef08f6e54da5e378766868216213e8806d62f0fb484c15d9983c8d978fab3cfcd0d06cfdb5a519cc
ep_bytes: e84b0100005389e3538b73088b7b10fc
timestamp: 2021-05-28 19:53:46

Version Info:

CompanyName: Microsoft Corporation
FileDescription: Host Process for Windows Tasks
FileVersion: 10.0.17763.831 (WinBuild.160101.0800)
InternalName: taskhost.exe
LegalCopyright: © Microsoft Corporation. All rights reserved.
OriginalFilename: taskhost.exe
ProductName: Microsoft® Windows® Operating System
ProductVersion: 10.0.17763.831
Translation: 0x0409 0x04b0

Ransom:Win32/Avaddon also known as:

K7AntiVirusRiskware ( 0040eff71 )
K7GWRiskware ( 0040eff71 )
Elasticmalicious (high confidence)
CynetMalicious (score: 100)
EmsisoftTrojan.GenericKD.37102041 (B)
SentinelOneStatic AI – Suspicious PE
MAXmalware (ai score=100)
RisingTrojan.Generic@AI.98 (RDML:KXtcLYRf4/E6XrmoggCKIQ)
CrowdStrikewin/malicious_confidence_100% (W)

How to remove Ransom:Win32/Avaddon?

Ransom:Win32/Avaddon malware is extremely hard to eliminate by hand. It stores its documents in numerous places throughout the disk, and can get back itself from one of the parts. In addition, a number of alterations in the windows registry, networking setups and Group Policies are fairly hard to find and change to the original. It is better to make use of a specific program – exactly, an anti-malware tool. GridinSoft Anti-Malware will fit the most ideal for virus removal goals.

Why GridinSoft Anti-Malware? It is pretty lightweight and has its detection databases updated practically every hour. In addition, it does not have such problems and exploits as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware suitable for removing malware of any kind.

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.
  • Ransom:Win32/Avaddon in 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.
  • Ransom:Win32/Avaddon in the scan results

  • When the scan is over, you may choose the action for each detected virus. For all files of Avaddon the default option is “Delete”. Press “Apply” to finish the malware removal.
  • 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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