Win32/PSW.Delf.OSF

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

What is Win32/PSW.Delf.OSF infection?

In this article you will locate concerning the meaning of Win32/PSW.Delf.OSF and its negative impact on your computer. Such ransomware are a kind of malware that is specified by on the internet fraudulences to demand paying the ransom by a victim.

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In the majority of the cases, Win32/PSW.Delf.OSF ransomware will certainly advise its targets to initiate funds transfer for the function of neutralizing the modifications that the Trojan infection has introduced to the target’s device.

Win32/PSW.Delf.OSF 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 (1 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.
  • Possible date expiration check, exits too soon after checking local time;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents situated on the victim’s hard disk — so the victim can no more make use of the data;
  • Preventing routine accessibility to the victim’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.GandCrab
a.tomx.xyzTrojan-Ransom.GandCrab

Win32/PSW.Delf.OSF

The most typical channels whereby Win32/PSW.Delf.OSF Ransomware are injected are:

  • By means of phishing e-mails;
  • As a consequence of customer ending up on a resource that organizes a malicious software;

As soon as the Trojan is effectively injected, it will certainly either cipher the information on the target’s computer or prevent the gadget from functioning in a correct manner – while also putting a ransom note that discusses the need for the sufferers to impact the payment for the objective of decrypting the papers or recovering the documents system back to the first problem. In the majority of instances, the ransom money note will certainly turn up when the client reboots the COMPUTER after the system has actually already been damaged.

Win32/PSW.Delf.OSF distribution channels.

In various edges of the globe, Win32/PSW.Delf.OSF expands by jumps and also bounds. Nevertheless, the ransom notes and techniques of obtaining the ransom quantity may differ depending on particular regional (local) settings. The ransom money notes and tricks of extorting the ransom amount may differ depending on certain neighborhood (regional) settings.

Ransomware injection

For example:

    Faulty signals concerning unlicensed software application.

    In certain areas, the Trojans typically wrongfully report having identified some unlicensed applications enabled on the target’s device. The sharp after that demands the user to pay the ransom money.

    Faulty declarations about illegal web content.

    In nations where software application piracy is less preferred, this technique is not as reliable for the cyber scams. Alternatively, the Win32/PSW.Delf.OSF popup alert might falsely claim to be stemming from a law enforcement institution as well as will report having situated youngster pornography or various other unlawful information on the tool.

    Win32/PSW.Delf.OSF popup alert might falsely assert to be obtaining from a regulation enforcement establishment as well as will certainly report having located child pornography or other prohibited information on the device. The alert will similarly include a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: 4219C7C6
md5: cc1753f318011f20fca9a2be92e30115
name: parlo.exe
sha1: 118f1f2a62daf3835a872884b12a7356d2072208
sha256: 608ec28dc107b24a621a827a9cbae75aede1a3b75e3aa97d51bf089aace3f741
sha512: 283e365494e459e697937f2c31862d2316fb5bef03c2f8c6e630ef23758aebafb7c8c3a95b16c0236b62f6edc313d8a9eba9976d59710c68afdcc57945ec3423
ssdeep: 6144:uaafG8kGIH7p9Tumgq20I2pgsDkeay0w77ta9j3gxlmr:u5G8BIH7raFKFkuf77U974mr
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9 2013. All rights reserved. Qualcomm Ventures
InternalName: ReducedScript
FileVersion: 5.4.2.9
CompanyName: Qualcomm Ventures
FileDescription: Technologyethical Admin
LegalTrademarks: Copyright xa9 2013. All rights reserved. Qualcomm Ventures
Comments: Technologyethical Admin
ProductName: ReducedScript
Languages: English
ProductVersion: 5.4.2.9
PrivateBuild: 5.4.2.9
OriginalFilename: ReducedScript.exe
Translation: 0x0409 0x04b0

Win32/PSW.Delf.OSF also known as:

GridinSoftTrojan.Ransom.Gen
MicroWorld-eScanTrojan.GenericKD.41930152
FireEyeGeneric.mg.cc1753f318011f20
CAT-QuickHealTrojan.GenericRI.S8512005
McAfeeRDN/Generic.gmq
CylanceUnsafe
VIPREWin32.Malware!Drop
AegisLabTrojan.Win32.Azorult.i!c
SangforMalware
K7AntiVirusTrojan ( 00559b781 )
BitDefenderTrojan.GenericKD.41930152
K7GWTrojan ( 00559b781 )
Cybereasonmalicious.a62daf
TrendMicroMal_HPGen-37b
F-ProtW32/Azorult.M
SymantecTrojan.Gen.MBT
APEXMalicious
Paloaltogeneric.ml
GDataWin32.Trojan-Stealer.Azorult.4G34V4
KasperskyTrojan-PSW.Win32.Azorult.adgt
AlibabaTrojanPSW:Win32/Azorult.04888995
NANO-AntivirusTrojan.Win32.Azorult.gdmaqz
RisingStealer.Azorult!8.11176 (KTSE)
Endgamemalicious (high confidence)
SophosMal/Generic-L
ComodoMalware@#tp8la3plwblv
DrWebTrojan.PWS.Stealer.26518
ZillyaTrojan.Azorult.Win32.4
Invinceaheuristic
McAfee-GW-EditionBehavesLike.Win32.Generic.fc
EmsisoftTrojan.GenericKD.41930152 (B)
IkarusTrojan-Ransom.GandCrab
CyrenW32/Trojan.FPUO-8234
JiangminTrojan.PSW.Azorult.fgq
WebrootW32.Malware.Gen
AviraTR/Kryptik.qydam
MAXmalware (ai score=100)
Antiy-AVLTrojan[PSW]/Win32.Azorult
ArcabitTrojan.Generic.D27FCDA8
ZoneAlarmTrojan-PSW.Win32.Azorult.adgt
MicrosoftTrojan:Win32/Skeeyah.A!MTB
AhnLab-V3Win-Trojan/Gandcrab04.Exp
Acronissuspicious
VBA32BScope.Trojan.Propagate
ALYacSpyware.Infostealer.Azorult
Ad-AwareTrojan.GenericKD.41930152
MalwarebytesSpyware.AzorUlt
PandaTrj/WLT.E
ZonerTrojan.Win32.84992
ESET-NOD32Win32/PSW.Delf.OSF
TrendMicro-HouseCallMal_HPGen-37b
SentinelOneDFI – Malicious PE
MaxSecureTrojan.Malware.73889970.susgen
FortinetW32/Azorult.ADGT!tr.pws
BitDefenderThetaGen:NN.ZexaF.33550.yu0@aCCvy@ei
AVGOther:Malware-gen [Trj]
AvastOther:Malware-gen [Trj]
CrowdStrikewin/malicious_confidence_90% (W)
Qihoo-360Win32/Trojan.PSW.269

How to remove Win32/PSW.Delf.OSF virus?

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

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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 install-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 Win32/PSW.Delf.OSF 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 Win32/PSW.Delf.OSF 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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