BAT/Autorun.EO

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the BAT/Autorun.EO malware detection means that your system is in big danger. This computer virus can correctly be named as ransomware – virus which encrypts your files and forces you to pay for their decryption. Deleteing it requires some specific steps that must be done as soon as possible.
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BAT/Autorun.EO detection is a malware detection you can spectate in your computer. It usually appears after the provoking actions on your PC – opening the untrustworthy email, clicking the banner in the Web or installing the program from untrustworthy resources. From the second it shows up, you have a short time to take action until it starts its malicious action. And be sure – it is much better not to wait for these harmful effects.

What is BAT/Autorun.EO virus?

BAT/Autorun.EO is ransomware-type malware. It looks for the documents on your disk drive, encrypts it, and then asks you to pay the ransom for receiving the decryption key. Besides making your files locked, this malware also does a ton of damage to your system. It changes the networking settings in order to stop you from looking for the removal tutorials or downloading the anti-malware program. Sometimes, BAT/Autorun.EO can also block the launching of anti-malware programs.

BAT/Autorun.EO Summary

In summary, BAT/Autorun.EO virus activities in the infected PC are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Dynamic (imported) function loading detected;
  • 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 MPRESS;
  • Authenticode signature is invalid;
  • Uses Windows utilities for basic functionality;
  • Disables Windows firewall;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files kept on the victim’s disk drive — so the victim cannot use these files;
  • Blocking the launching of .exe files of anti-virus programs
  • Blocking the launching of installation files of anti-virus programs

Ransomware has been a major problem for the last 4 years. It is difficult to picture a more dangerous malware for both individuals and businesses. The algorithms utilized in BAT/Autorun.EO (typically, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need more time than our galaxy actually exists, and possibly will exist. But that malware does not do all these terrible things instantly – it may take up to a few hours to cipher all of your documents. Therefore, seeing the BAT/Autorun.EO detection is a clear signal that you should start the elimination procedure.

Where did I get the BAT/Autorun.EO?

General tactics of BAT/Autorun.EO distribution are usual for all other ransomware examples. Those are one-day landing sites where victims are offered to download the free software, so-called bait e-mails and hacktools. Bait e-mails are a quite modern strategy in malware spreading – you get the email that imitates some normal notifications about shippings or bank service conditions updates. Within the email, there is an infected MS Office file, or a link which leads to the exploit landing site.

Malicious email spam

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

Avoiding it looks quite easy, however, still demands tons of focus. Malware can hide in different places, and it is much better to stop it even before it goes into your system than to rely upon an anti-malware program. General cybersecurity awareness is just an essential item in the modern-day world, even if your relationship with a PC stays on YouTube videos. That may keep you a lot of money and time which you would spend while seeking a solution.

BAT/Autorun.EO malware technical details

File Info:

name: 612CEF1BF8A3E999B4D5.mlw
path: /opt/CAPEv2/storage/binaries/fb64a3ca0c47d66033e0069577f71f93e0028889ac80401a56bb9ffb000a8bfb
crc32: 019C1250
md5: 612cef1bf8a3e999b4d54ac6e64ae8c6
sha1: 675032d3da6e1c03191d42b34be3da7a1d1e16ca
sha256: fb64a3ca0c47d66033e0069577f71f93e0028889ac80401a56bb9ffb000a8bfb
sha512: bbf4326ad5c8bdc48af26a0f6c5edbaa07bbc225658135b3fb08a1555f76ce4b5ff350487e45b64589addf0bff08eec6aa94ac2074db6e54ba86c3d903bca991
ssdeep: 768:eHHKmM0qauedO1d6pHzvZ4GHPqV76CJrrKOxFoen7DBO:eKmMyMWO0SEClPFoeBO
type: PE32 executable (console) Intel 80386, for MS Windows
tlsh: T160D2D18ED6AC1333D74442B71A1DB4051BD08A349A0B1F63EB49062B7E97B2C9F9D277
sha3_384: 01b3c374a86201f98616e7398bce0b3e41b13088a6777198d448131f411777da48970d6b2a5a4ec949cbbeb57948bad9
ep_bytes: 60e80000000058055a0b00008b3003f0
timestamp: 2011-03-25 13:17:51

Version Info:

0: [No Data]

BAT/Autorun.EO also known as:

BkavW32.AIDetect.malware1
ClamAVDos.Trojan.KillAV-22
ALYacGenPack:Generic.Malware.SMDBVoAQsw.BE306B2A
ESET-NOD32BAT/Autorun.EO
CynetMalicious (score: 100)
KasperskyTrojan.BAT.KillAV.np
BitDefenderGenPack:Generic.Malware.SMDBVoAQsw.BE306B2A
MicroWorld-eScanGenPack:Generic.Malware.SMDBVoAQsw.BE306B2A
AvastWin32:Dh-A [Heur]
RisingTrojan.Killav!1.66BF (CLASSIC)
Ad-AwareGenPack:Generic.Malware.SMDBVoAQsw.BE306B2A
SophosGeneric ML PUA (PUA)
DrWebBATCH.WORM.Virus
FireEyeGeneric.mg.612cef1bf8a3e999
EmsisoftGenPack:Generic.Malware.SMDBVoAQsw.BE306B2A (B)
SentinelOneStatic AI – Malicious PE
GDataGenPack:Generic.Malware.SMDBVoAQsw.BE306B2A
JiangminTrojanDropper.Mudrop.cqe
AviraBAT/Agent.1275
ArcabitGenPack:Generic.Malware.SMDBVoAQsw.BE306B2A
MicrosoftTrojan:Win32/Sabsik.FL.B!ml
MAXmalware (ai score=84)
VBA32TrojanRansom.Gen
CylanceUnsafe
YandexPacked/MPress
IkarusTrojan.BAT.KillAV
MaxSecureTrojan.Malware.300983.susgen
AVGWin32:Dh-A [Heur]
Cybereasonmalicious.bf8a3e

How to remove BAT/Autorun.EO?

BAT/Autorun.EO malware is incredibly hard to remove manually. It stores its data in a variety of locations throughout the disk, and can recover itself from one of the parts. Moreover, countless changes in the registry, networking setups and also Group Policies are quite hard to identify and change to the original. It is far better to make use of a specific program – exactly, an anti-malware tool. GridinSoft Anti-Malware will definitely fit the most ideal for malware removal reasons.

Why GridinSoft Anti-Malware? It is very light-weight and has its databases updated nearly every hour. Furthermore, it does not have such problems and weakness as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware ideal for eliminating 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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