VirTool:Win32/Obfuscator.XI

Written by Robert Bailey
Seeing the VirTool:Win32/Obfuscator.XI detection name usually means that your system is in big danger. This malware can correctly be named as ransomware – sort of malware which encrypts your files and asks you to pay for their decryption. Removing it requires some specific steps that must be done as soon as possible.
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VirTool:Win32/Obfuscator.XI detection is a virus detection you can spectate in your system. It generally appears after the preliminary actions on your PC – opening the suspicious e-mail messages, clicking the banner in the Web or installing the program from dubious resources. From the instance it shows up, you have a short time to do something about it before it starts its harmful activity. And be sure – it is better not to await these destructive things.

What is VirTool:Win32/Obfuscator.XI virus?

VirTool:Win32/Obfuscator.XI is ransomware-type malware. It searches for the documents on your disk drives, encrypts it, and after that asks you to pay the ransom for getting the decryption key. Besides making your files locked, this virus additionally does a lot of damage to your system. It modifies the networking setups in order to avoid you from looking for the removal guidelines or downloading the antivirus. Sometimes, VirTool:Win32/Obfuscator.XI can additionally stop the setup of anti-malware programs.

VirTool:Win32/Obfuscator.XI Summary

In summary, VirTool:Win32/Obfuscator.XI malware actions in the infected system are next:

  • The binary contains an unknown PE section name indicative of packing;
  • Authenticode signature is invalid;
  • Anomalous binary characteristics;
  • Ciphering the documents located on the victim’s disk drives — so the victim cannot use these files;
  • Blocking the launching of .exe files of anti-malware programs
  • Blocking the launching of installation files of anti-virus apps

Ransomware has actually been a headache for the last 4 years. It is challenging to realize a more dangerous malware for both individuals and companies. The algorithms used in VirTool:Win32/Obfuscator.XI (generally, 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 virus does not do all these unpleasant things immediately – it may require up to a few hours to cipher all of your documents. Thus, seeing the VirTool:Win32/Obfuscator.XI detection is a clear signal that you should start the elimination procedure.

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

General methods of VirTool:Win32/Obfuscator.XI spreading are typical for all other ransomware examples. Those are one-day landing websites where victims are offered to download the free software, so-called bait e-mails and hacktools. Bait e-mails are a quite new method in malware distribution – you receive the e-mail that mimics some routine notifications about shipments or bank service conditions changes. Inside of the e-mail, there is a malicious MS Office file, or a web 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 fairly uncomplicated, however, still requires a lot of focus. Malware can hide in various places, and it is much better to stop it even before it invades your system than to rely on an anti-malware program. Common cybersecurity knowledge is just an important item in the modern-day world, even if your interaction with a PC remains on YouTube videos. That can keep you a lot of money and time which you would spend while looking for a fix guide.

VirTool:Win32/Obfuscator.XI malware technical details

File Info:

name: 72044F3C59D5516D1A77.mlw
path: /opt/CAPEv2/storage/binaries/c6a60dedc5f25ad1d380d8a5098c58b2163320000cd1461e2cccb22c72a8fa8e
crc32: 48BA536B
md5: 72044f3c59d5516d1a77c245cbed9bdd
sha1: 0ace9a40aad400310bda767156fe4a7d5fdf308b
sha256: c6a60dedc5f25ad1d380d8a5098c58b2163320000cd1461e2cccb22c72a8fa8e
sha512: afacb6e6fc7bb326dc2504c76174f66472ae759776d1e3af3f1984c324cac205cf849bb7d8a269985ab159acb720202e79623c586974318980e288566f8fa6fd
ssdeep: 6144:ovCbyyLQVToUxbxiPKkuILavhsK2RQMcgnjNN/k:pbNEVv9TPKtvH/
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1359401F21F60FD47D538EA7F2E796612BBF1A6701C24C53A32494809FA362C1BDE5252
sha3_384: 3ee9e9d68cdec6b9f6938ff95eebce6b32f0a0084faf4b5e620df75c606b4598e5fef7050b402f6f3904550ba3925f42
ep_bytes: fc8b368b763c8d54da788b14328955fc
timestamp: 2012-01-26 06:05:54

Version Info:

0: [No Data]

VirTool:Win32/Obfuscator.XI also known as:

BkavW32.AIDetect.malware1
MicroWorld-eScanGen:Variant.Graftor.19495
FireEyeGeneric.mg.72044f3c59d5516d
CAT-QuickHealTrojan.Zbot.100335
ALYacGen:Variant.Graftor.19495
Cybereasonmalicious.c59d55
BitDefenderThetaGen:NN.ZexaF.34084.zKZ@a000Zhh
SymantecML.Attribute.HighConfidence
APEXMalicious
KasperskyTrojan-Ransom.Win32.PornoAsset.fdr
BitDefenderGen:Variant.Graftor.19495
AvastWin32:Carberp-ABK [Trj]
Ad-AwareGen:Variant.Graftor.19495
SophosML/PE-A
VIPRELookslike.Win32.Sirefef.d (v)
McAfee-GW-EditionArtemis!Trojan
EmsisoftGen:Variant.Graftor.19495 (B)
SentinelOneStatic AI – Malicious PE
GDataGen:Variant.Graftor.19495
eGambitUnsafe.AI_Score_100%
AviraTR/Patched.Ren.Gen
ArcabitTrojan.Graftor.D4C27
MicrosoftVirTool:Win32/Obfuscator.XI
CynetMalicious (score: 100)
AhnLab-V3Dropper/Win32.Injector.R23158
McAfeeArtemis!72044F3C59D5
MAXmalware (ai score=83)
MalwarebytesTrojan.Agent
RisingMalware.Heuristic!ET#96% (RDMK:cmRtazrKe5uTP9cWqAFRcnH4oAQ8)
IkarusTrojan.Crypt
FortinetW32/ZeroAccess.B!tr
AVGWin32:Carberp-ABK [Trj]
CrowdStrikewin/malicious_confidence_90% (W)

How to remove VirTool:Win32/Obfuscator.XI?

VirTool:Win32/Obfuscator.XI malware is incredibly hard to remove by hand. It puts its documents in several places throughout the disk, and can recover itself from one of the parts. In addition, a range of modifications in the registry, networking setups and Group Policies are pretty hard to locate and change to the initial. It is better to use a special app – exactly, an anti-malware tool. GridinSoft Anti-Malware will definitely fit the most ideal for malware elimination objectives.

Why GridinSoft Anti-Malware? It is really lightweight and has its detection databases updated nearly every hour. Additionally, it does not have such bugs and exploits as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware perfect for taking out malware of any form.

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

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

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