PUP.Optional.BundleInstaller

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is PUP.Optional.BundleInstaller infection?

In this post you will certainly find concerning the definition of PUP.Optional.BundleInstaller and its adverse impact on your computer. Such ransomware are a kind of malware that is clarified by on the internet fraudulences to require paying the ransom money by a target.

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In the majority of the situations, PUP.Optional.BundleInstaller virus will instruct its victims to launch funds transfer for the objective of counteracting the modifications that the Trojan infection has actually presented to the victim’s device.

PUP.Optional.BundleInstaller Summary

These alterations can be as adheres to:

  • 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.
  • Attempts to connect to a dead IP:Port (4 unique times);
  • 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.
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • Network activity contains more than one unique useragent.;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files located on the victim’s hard disk drive — so the victim can no longer use the data;
  • Preventing routine accessibility to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains
z.whorecord.xyzTrojan-Ransom.NSIS.Xamyh.ojo
a.tomx.xyzTrojan-Ransom.NSIS.Xamyh.ojo
www.uptodown.comTrojan-Ransom.NSIS.Xamyh.ojo
ocsp.digicert.comTrojan-Ransom.NSIS.Xamyh.ojo
gstatic.uptodown.netTrojan-Ransom.NSIS.Xamyh.ojo
servicemap.conduit-services.comTrojan-Ransom.NSIS.Xamyh.ojo
ct2828561.ourtoolbar.comTrojan-Ransom.NSIS.Xamyh.ojo
www.ourtoolbar.comTrojan-Ransom.NSIS.Xamyh.ojo

PUP.Optional.BundleInstaller

One of the most typical networks whereby PUP.Optional.BundleInstaller Ransomware Trojans are injected are:

  • By ways of phishing e-mails;
  • As an effect of individual ending up on a source that hosts a harmful software application;

As quickly as the Trojan is successfully infused, it will certainly either cipher the data on the sufferer’s PC or stop the device from functioning in an appropriate fashion – while also placing a ransom money note that mentions the demand for the victims to effect the settlement for the objective of decrypting the files or restoring the documents system back to the preliminary problem. In the majority of circumstances, the ransom money note will come up when the customer reboots the PC after the system has already been damaged.

PUP.Optional.BundleInstaller circulation networks.

In different edges of the world, PUP.Optional.BundleInstaller expands by jumps and bounds. However, the ransom money notes and techniques of extorting the ransom amount may differ depending upon particular regional (regional) setups. The ransom money notes as well as methods of extorting the ransom money quantity may vary depending on specific neighborhood (local) settings.

Ransomware injection

For example:

    Faulty informs about unlicensed software.

    In specific locations, the Trojans typically wrongfully report having detected some unlicensed applications allowed on the sufferer’s gadget. The alert then requires the individual to pay the ransom money.

    Faulty declarations regarding illegal web content.

    In countries where software program piracy is much less preferred, this method is not as reliable for the cyber scams. Conversely, the PUP.Optional.BundleInstaller popup alert might incorrectly claim to be stemming from a law enforcement institution and will report having situated kid porn or various other unlawful information on the gadget.

    PUP.Optional.BundleInstaller popup alert may falsely assert to be acquiring from a regulation enforcement establishment and will report having located kid pornography or other illegal information on the device. The alert will in a similar way have a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: F1D2C104
md5: c342844b903f74962859ea37740f622d
name: C342844B903F74962859EA37740F622D.mlw
sha1: 053e0d86b29b7890912d668e343cba119ac415bc
sha256: e466e0ced519193754eda815c38f632eb6a0ecd7a28fa33baa036b1914f7934d
sha512: 4b613824e027a9341188172bd4566d98558f89765169ee89fe3e244c0875530b1d2a043df1a5421b6af813151040f2446b7a8feeede509a2bc4a4e2930147a60
ssdeep: 12288:DnDunOLRQ3sBPBLfeZQ5NO1sPOLfez8olmviTh52:DynjsFZi1uHDmKj2
type: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

0: [No Data]

PUP.Optional.BundleInstaller also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
AegisLabTrojan.NSIS.Xamyh.j!c
SangforBackdoor.Win32.Bladabindi.ml
K7AntiVirusAdware ( 004cee561 )
K7GWAdware ( 004cee561 )
Cybereasonmalicious.6b29b7
SymantecPUA.UpToDown
ESET-NOD32a variant of Win32/UpToDown.B potentially unwanted
APEXMalicious
AvastFileRepMalware [PUP]
ClamAVWin.Adware.UpToDown-1
KasperskyTrojan-Ransom.NSIS.Xamyh.ojo
AlibabaRansom:Win32/Xamyh.b10d156a
NANO-AntivirusRiskware.Nsis.Adw.dqgtmn
SophosGeneric PUA AF (PUA)
F-SecureProgram.APPL/UpToDown.Gen5
DrWebAdware.Downware.16
ZillyaTrojan.Onion.Win32.1314
TrendMicroRansom_Xamyh.R002C0OBB21
McAfee-GW-EditionBehavesLike.Win32.PUP.gc
AviraAPPL/UpToDown.Gen5
Antiy-AVLTrojan/Win32.TSGeneric
MicrosoftBackdoor:Win32/Bladabindi!ml
SUPERAntiSpywarePUP.BundleInstaller/Variant
ZoneAlarmTrojan-Ransom.NSIS.Xamyh.ojo
GDataWin32.Application.UpToDown.C
CynetMalicious (score: 100)
McAfeeArtemis!C342844B903F
VBA32TrojanRansom.Xamyh
MalwarebytesPUP.Optional.BundleInstaller
TrendMicro-HouseCallRansom_Xamyh.R002C0OBB21
SentinelOneStatic AI – Suspicious PE
eGambitUnsafe.AI_Score_72%
AVGFileRepMalware [PUP]
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_100% (D)
Qihoo-360Win32/Ransom.Generic.HoMASO0A

How to remove PUP.Optional.BundleInstaller 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

There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

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 will automatically start scanning your system for PUP.Optional.BundleInstaller files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

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If the guide doesn’t help you to remove PUP.Optional.BundleInstaller you can always ask me in the comments for getting help.

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/comparison

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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