Win32/Injector.BOLR

What is Win32/Injector.BOLR infection?

In this short article you will certainly locate concerning the interpretation of Win32/Injector.BOLR and its negative effect on your computer system. Such ransomware are a form of malware that is elaborated by on-line scams to require paying the ransom money by a target.

In the majority of the instances, Win32/Injector.BOLR infection will instruct its sufferers to start funds move for the objective of neutralizing the modifications that the Trojan infection has actually introduced to the target’s gadget.

Win32/Injector.BOLR Summary

These alterations can be as complies with:

  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • 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.
  • Unconventionial language used in binary resources: Arabic (Egypt);
  • Uses Windows utilities for basic functionality;
  • Executed a process and injected code into it, probably while unpacking;
  • Sniffs keystrokes;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files found on the sufferer’s hard disk — so the sufferer can no longer utilize the information;
  • Preventing regular accessibility to the target’s workstation;

Win32/Injector.BOLR

One of the most typical channels through which Win32/Injector.BOLR Ransomware Trojans are injected are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As a consequence of user ending up on a resource that hosts a malicious software application;

As soon as the Trojan is efficiently injected, it will certainly either cipher the information on the victim’s PC or avoid the tool from operating in a proper manner – while likewise placing a ransom note that points out the demand for the victims to impact the settlement for the function of decrypting the documents or bring back the data system back to the initial problem. In most circumstances, the ransom money note will come up when the client reboots the PC after the system has currently been damaged.

Win32/Injector.BOLR distribution networks.

In numerous corners of the world, Win32/Injector.BOLR grows by jumps and also bounds. Nevertheless, the ransom money notes and also methods of extorting the ransom money quantity may differ relying on specific regional (local) setups. The ransom notes as well as tricks of obtaining the ransom money quantity might differ depending on specific local (regional) setups.

Ransomware injection

For instance:

    Faulty notifies about unlicensed software.

    In certain areas, the Trojans frequently wrongfully report having actually identified some unlicensed applications allowed on the sufferer’s device. The sharp after that requires the customer to pay the ransom money.

    Faulty declarations concerning prohibited content.

    In countries where software piracy is less prominent, this technique is not as effective for the cyber fraudulences. Additionally, the Win32/Injector.BOLR popup alert may wrongly assert to be stemming from a police institution and also will certainly report having located child pornography or other prohibited data on the tool.

    Win32/Injector.BOLR popup alert may wrongly claim to be acquiring from a law enforcement institution and also will certainly report having situated kid porn or other illegal information on the gadget. The alert will likewise contain a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: F932C8A8md5: c4003c548bc2fe299900cfd55c207286name: C4003C548BC2FE299900CFD55C207286.mlwsha1: f0bce7218f33abb47be0e6f91ea4a9593af4d78fsha256: 74fe214e7308ce454a5aa33d73aecf57ea75d568c611bcf572e4da25be64f130sha512: a85e50c6b04e6791000bd39baa0ee53c57b9647ecb24084e0f16c32dde426a0dbbe97d773f60ca03ee780cabca1ed1b59d35ac8ddaec747bddc4b4de1ebc32e7ssdeep: 12288:n0zJQeyyDEuD+QiHOT+ZfvyZmy27SWyNkbehGG1jhNbfAx/Bx:ny51Ey+QiOIfa9ANyh17fetype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Injector.BOLR also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 0055e3991 )
Elastic malicious (high confidence)
DrWeb Win32.HLLW.Autoruner2.16845
Cynet Malicious (score: 100)
ALYac Gen:Variant.Zusy.109927
Cylance Unsafe
Zillya Trojan.Foreign.Win32.46736
Sangfor Trojan.Win32.Save.a
Alibaba Ransom:Win32/Foreign.7af896b3
K7GW Trojan ( 0055e3991 )
Cybereason malicious.48bc2f
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Injector.BOLR
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Foreign.lalr
BitDefender Gen:Variant.Zusy.109927
NANO-Antivirus Trojan.Win32.RiskGen.dwpayb
MicroWorld-eScan Gen:Variant.Zusy.109927
Tencent Win32.Trojan.Foreign.Suwu
Ad-Aware Gen:Variant.Zusy.109927
Comodo Malware@#21bv64zlbdawr
F-Secure Heuristic.HEUR/AGEN.1128416
BitDefenderTheta Gen:NN.ZelphiF.34670.PGW@a0gC6RmG
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Worm.jh
FireEye Generic.mg.c4003c548bc2fe29
Emsisoft Gen:Variant.Zusy.109927 (B)
SentinelOne Static AI – Suspicious PE
Avira HEUR/AGEN.1128416
Antiy-AVL Trojan[Ransom]/Win32.Foreign
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Backdoor:MSIL/Bladabindi.AJ
Arcabit Trojan.Zusy.D1AD67
AegisLab Trojan.Win32.Foreign.j!c
ZoneAlarm Trojan-Ransom.Win32.Foreign.lalr
GData Gen:Variant.Zusy.109927
AhnLab-V3 Malware/Win32.Generic.C598292
McAfee Artemis!C4003C548BC2
MAX malware (ai score=87)
VBA32 TScope.Trojan.Delf
Malwarebytes MachineLearning/Anomalous.96%
Panda Trj/CI.A
Rising Ransom.Foreign!8.292 (CLOUD)
Yandex Trojan.Foreign!1XsNqA2vk7U
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Foreign.FCQY!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Trojan.Foreign.HgIASOQA

How to remove Win32/Injector.BOLR 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 Win32/Injector.BOLR 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.

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