VirTool:Win32/Obfuscator.ADR

What is VirTool:Win32/Obfuscator.ADR infection?

In this article you will locate concerning the meaning of VirTool:Win32/Obfuscator.ADR and also its adverse impact on your computer system. Such ransomware are a form of malware that is elaborated by on the internet frauds to demand paying the ransom money by a victim.

Most of the cases, VirTool:Win32/Obfuscator.ADR virus will certainly instruct its sufferers to start funds move for the objective of neutralizing the amendments that the Trojan infection has actually introduced to the sufferer’s device.

VirTool:Win32/Obfuscator.ADR Summary

These adjustments can be as adheres to:

  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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.
  • Executed a process and injected code into it, probably while unpacking;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents found on the sufferer’s hard drive — so the target can no more make use of the information;
  • Preventing normal accessibility to the victim’s workstation;

VirTool:Win32/Obfuscator.ADR

One of the most common channels through which VirTool:Win32/Obfuscator.ADR Trojans are injected are:

  • By methods of phishing emails;
  • As an effect of user ending up on a resource that organizes a harmful software program;

As soon as the Trojan is efficiently infused, it will certainly either cipher the data on the target’s computer or avoid the tool from working in an appropriate fashion – while also placing a ransom money note that mentions the requirement for the victims to impact the payment for the purpose of decrypting the files or restoring the data system back to the initial condition. In most circumstances, the ransom note will turn up when the customer restarts the COMPUTER after the system has actually already been harmed.

VirTool:Win32/Obfuscator.ADR distribution channels.

In numerous edges of the world, VirTool:Win32/Obfuscator.ADR expands by jumps and also bounds. Nevertheless, the ransom notes and also techniques of obtaining the ransom money quantity might vary relying on particular neighborhood (local) setups. The ransom notes as well as methods of extorting the ransom money amount might vary depending on certain regional (local) setups.

Ransomware injection

For instance:

    Faulty informs concerning unlicensed software application.

    In certain locations, the Trojans often wrongfully report having actually identified some unlicensed applications allowed on the sufferer’s tool. The alert then demands the individual to pay the ransom.

    Faulty declarations concerning prohibited web content.

    In countries where software application piracy is much less popular, this approach is not as reliable for the cyber fraudulences. Conversely, the VirTool:Win32/Obfuscator.ADR popup alert may falsely declare to be originating from a police institution and also will certainly report having situated youngster porn or various other prohibited information on the device.

    VirTool:Win32/Obfuscator.ADR popup alert may incorrectly claim to be deriving from a law enforcement establishment and also will certainly report having located kid pornography or other unlawful information on the gadget. The alert will in a similar way have a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: 25C748A8md5: 4edcc90dfd3d0f19126cdb0595588a59name: 4EDCC90DFD3D0F19126CDB0595588A59.mlwsha1: 120b8f102c3a0631f1fc8d3a62c2ff3ee6558d08sha256: 9c14b7db90e63f57457c16d4dcb0186d8c94d6c9b3058265f3604d8508878ec9sha512: 8ef049940a23e3eb483c64b8ad78d39ccb2a08a65514d428bb96f69f8ed8b021fc9205670c6c9a6b80fff2297842ecfbb337e52cc0a4063dac25426d3282edbfssdeep: 1536:uakVWmqqg3qzlB1uzbKEfbh47Ybw15zxPmbsLGMGQJKL5UP9vvvSEHSCR:ualmqd3qBcfb/wPz4bq0gv3JyCtype: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows

Version Info:

0: [No Data]

VirTool:Win32/Obfuscator.ADR also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Riskware ( 0040eff71 )
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
ALYac Gen:Variant.Symmi.8604
Cylance Unsafe
Sangfor Ransom.Win32.Foreign.sb
CrowdStrike win/malicious_confidence_80% (D)
K7GW Riskware ( 0040eff71 )
Cybereason malicious.dfd3d0
Symantec Trojan.Shylock
ESET-NOD32 a variant of Win32/Injector.ZHO
APEX Malicious
Avast Win32:Crypt-OJD [Trj]
Kaspersky UDS:Trojan-Ransom.Win32.Foreign.sb
BitDefender Gen:Variant.Symmi.8604
NANO-Antivirus Trojan.Win32.Zbot.dernvl
MicroWorld-eScan Gen:Variant.Symmi.8604
Tencent Win32.Trojan.Ransom.Piau
Ad-Aware Gen:Variant.Symmi.8604
Sophos ML/PE-A + Mal/EncPk-AHQ
Comodo TrojWare.Win32.PWS.ZBot.AAA@4sq88d
BitDefenderTheta AI:Packer.6D671E9C1F
VIPRE Trojan-PWS.Win32.Zbot.aaa (v)
TrendMicro TROJ_RANSOM.SMWX
McAfee-GW-Edition PWS-Zbot.gen.arb
FireEye Generic.mg.4edcc90dfd3d0f19
Emsisoft Gen:Variant.Symmi.8604 (B)
SentinelOne Static AI – Suspicious PE
Avira TR/Dropper.Gen7
Antiy-AVL Trojan/Generic.ASMalwS.23D5402
Microsoft VirTool:Win32/Obfuscator.ADR
GData Gen:Variant.Symmi.8604
AhnLab-V3 Trojan/Win32.Gen
McAfee PWS-Zbot.gen.arb
MAX malware (ai score=80)
Panda Generic Malware
TrendMicro-HouseCall TROJ_RANSOM.SMWX
Rising Dropper.Generic!8.35E (CLOUD)
Yandex Trojan.Symmi!Bw1nwSJP8jU
Ikarus Trojan-Ransom.Foreign
Fortinet W32/Yakes.BKEJ!tr
AVG Win32:Crypt-OJD [Trj]
Paloalto generic.ml

How to remove VirTool:Win32/Obfuscator.ADR 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

Run the setup file.

Run Setup.exe
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 Scanning

Click on “Clean Now”.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

Full version of GridinSoft

If the guide doesn’t help you to remove VirTool:Win32/Obfuscator.ADR you can always ask me in the comments for getting help.

References

    About the author

    Robert Bailey

    Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

    Leave a Comment