VirTool:Win32/Obfuscator.ACC

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the VirTool:Win32/Obfuscator.ACC detection name means that your computer is in big danger. This computer virus can correctly be named as ransomware – sort of malware which encrypts your files and forces you to pay for their decryption. Stopping it requires some peculiar steps that must be taken as soon as possible.
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VirTool:Win32/Obfuscator.ACC detection is a malware detection you can spectate in your computer. It generally shows up after the provoking actions on your PC – opening the dubious email, clicking the advertisement in the Web or mounting the program from suspicious resources. From the second it shows up, you have a short time to take action until it starts its harmful action. And be sure – it is better not to await these harmful things.

What is VirTool:Win32/Obfuscator.ACC virus?

VirTool:Win32/Obfuscator.ACC is ransomware-type malware. It searches for the documents on your disks, ciphers it, and then asks you to pay the ransom for getting the decryption key. Besides making your documents locked, this malware additionally does a ton of damage to your system. It alters the networking setups in order to stop you from reading the removal articles or downloading the antivirus. In rare cases, VirTool:Win32/Obfuscator.ACC can also prevent the setup of anti-malware programs.

VirTool:Win32/Obfuscator.ACC Summary

In summary, VirTool:Win32/Obfuscator.ACC virus activities in the infected computer are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Creates RWX memory;
  • Dynamic (imported) function loading detected;
  • Reads data out of its own binary image;
  • CAPE extracted potentially suspicious content;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Anomalous binary characteristics;
  • Ciphering the documents located on the victim’s disks — so the victim cannot open these files;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-virus apps

Ransomware has actually been a major problem for the last 4 years. It is difficult to imagine a more harmful virus for both individual users and organizations. The algorithms used in VirTool:Win32/Obfuscator.ACC (usually, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need a lot more time than our galaxy actually exists, and possibly will exist. But that virus does not do all these unpleasant things instantly – it can require up to a few hours to cipher all of your documents. Hence, seeing the VirTool:Win32/Obfuscator.ACC detection is a clear signal that you need to start the elimination procedure.

Where did I get the VirTool:Win32/Obfuscator.ACC?

Routine tactics of VirTool:Win32/Obfuscator.ACC distribution are typical for all other ransomware examples. Those are one-day landing web pages where victims are offered to download the free app, so-called bait emails and hacktools. Bait emails are a pretty new tactic in malware spreading – you receive the email that imitates some normal notifications about shipments or bank service conditions updates. Within the email, there is a malicious MS Office file, or a link which opens the exploit landing site.

Malicious email spam

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

Preventing it looks quite easy, but still demands a lot of focus. Malware can hide in different spots, and it is better to stop it even before it invades your PC than to trust in an anti-malware program. Basic cybersecurity awareness is just an essential item in the modern-day world, even if your interaction with a PC stays on YouTube videos. That can save you a lot of time and money which you would certainly spend while trying to find a fix guide.

VirTool:Win32/Obfuscator.ACC malware technical details

File Info:

name: EB14E638E6469C836C5D.mlw
path: /opt/CAPEv2/storage/binaries/30b0375ba6f534908c587df57f2ea0c08698ec3921e31e0ce44b4cbfd04aaee7
crc32: 7BBC82B7
md5: eb14e638e6469c836c5dd18fb7e9c0bc
sha1: 6f5d61dd85274a2a0d83ad0a9244b6c579ddc0b9
sha256: 30b0375ba6f534908c587df57f2ea0c08698ec3921e31e0ce44b4cbfd04aaee7
sha512: 7a55b50e7f7fcc59bc30a7816368d5e3794960875436b4d2576c29f56944355d7495ace82360c1f82dcda39a2e55ea369cf6e159d811e0cde6033e95051f6bac
ssdeep: 6144:V5qI//WjfQUAikbrwIdwjn/y1wMc6MAOk:VY/jvkwfa1wMc3P
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1391401367E67A5E7D528DDBC37146E58A59E814A0B31ED43508185FCFE28B8C42332EE
sha3_384: 056219acb6a5cb5ac2594b5d5a24487b48d1d966594a77e362a5628f0e78a28421d244965ff2077f7b022464c61c9d44
ep_bytes: 81c2d6780000558bec83ec106a186822
timestamp: 2011-03-25 05:01:22

Version Info:

0: [No Data]

VirTool:Win32/Obfuscator.ACC also known as:

BkavW32.AIDetect.malware2
tehtrisGeneric.Malware
DrWebTrojan.PWS.Siggen.36466
MicroWorld-eScanGen:Heur.IPZ.7
FireEyeGeneric.mg.eb14e638e6469c83
CAT-QuickHealTrojanPWS.Zbot.Gen
ALYacGen:Heur.IPZ.7
CylanceUnsafe
VIPREGen:Heur.IPZ.7
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 005324981 )
K7GWTrojan ( 005324981 )
Cybereasonmalicious.8e6469
BitDefenderThetaAI:Packer.26864C9B21
VirITBackdoor.RBot.XJ
CyrenW32/Troj_Obfusc.AO.gen!Eldorado
SymantecPacked.Generic.366
Elasticmalicious (high confidence)
ESET-NOD32a variant of Win32/Kryptik.ACVP
TrendMicro-HouseCallTSPY_ZBOT.SM32
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderGen:Heur.IPZ.7
NANO-AntivirusTrojan.Win32.Kryptik.jqamim
AvastWin32:Carberp-ABK [Trj]
Ad-AwareGen:Heur.IPZ.7
EmsisoftGen:Heur.IPZ.7 (B)
ComodoTrojWare.Win32.Kryptik.NEGB@4ri728
ZillyaTrojan.Kryptik.Win32.3825522
TrendMicroTSPY_ZBOT.SM32
McAfee-GW-EditionBehavesLike.Win32.Picsys.dc
Trapminemalicious.moderate.ml.score
SophosML/PE-A + Mal/Katusha-J
IkarusTrojan-Ransom.PornoAsset
GDataGen:Heur.IPZ.7
AviraTR/Crypt.XPACK.Gen
MAXmalware (ai score=83)
Antiy-AVLTrojan/Generic.ASMalwS.24D
MicrosoftVirTool:Win32/Obfuscator.ACC
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win.Generic.C5209210
McAfeePWS-Zbot.gen.azp
VBA32Trojan-Ransom.Winlock.5112
MalwarebytesMalware.AI.3645988439
APEXMalicious
RisingTrojan.Generic@AI.100 (RDML:5NAo7VbG+/OdjJOww/uElg)
SentinelOneStatic AI – Malicious PE
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/Poxter.A!tr
AVGWin32:Carberp-ABK [Trj]
PandaTrj/Xpacked.A
CrowdStrikewin/malicious_confidence_100% (W)

How to remove VirTool:Win32/Obfuscator.ACC?

VirTool:Win32/Obfuscator.ACC malware is incredibly difficult to erase by hand. It stores its data in multiple locations throughout the disk, and can recover itself from one of the elements. Additionally, countless changes in the registry, networking settings and also Group Policies are pretty hard to find and change to the original. It is far better to use a special tool – exactly, an anti-malware app. GridinSoft Anti-Malware will fit the best for virus elimination objectives.

Why GridinSoft Anti-Malware? It is pretty light-weight and has its databases updated nearly every hour. Additionally, it does not have such bugs and vulnerabilities as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware ideal for getting rid of 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.
  • 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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