Backdoor:Win32/Delfsnif.BA

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

What is Backdoor:Win32/Delfsnif.BA infection?

In this post you will find concerning the meaning of Backdoor:Win32/Delfsnif.BA as well as its adverse influence on your computer system. Such ransomware are a type of malware that is elaborated by online frauds to require paying the ransom money by a target.

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In the majority of the instances, Backdoor:Win32/Delfsnif.BA infection will advise its victims to start funds move for the objective of counteracting the changes that the Trojan infection has actually introduced to the sufferer’s tool.

Backdoor:Win32/Delfsnif.BA Summary

These alterations can be as follows:

  • Executable code extraction;
  • Attempts to connect to a dead IP:Port (1 unique times);
  • Creates RWX memory;
  • Performs some HTTP requests;
  • Uses Windows utilities for basic functionality;
  • Sniffs keystrokes;
  • Installs itself for autorun at Windows startup;
  • Creates a hidden or system file;
  • Attempts to modify proxy settings;
  • Attempts to disable System Restore;
  • The sample wrote data to the system hosts file.;
  • Generates some ICMP traffic;
  • Anomalous binary characteristics;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the documents found on the target’s hard disk drive — so the sufferer can no more make use of the data;
  • Preventing regular access to the victim’s workstation;

Related domains:

chk.memelo.netRansom:Win32/Blocker.157b8d7c
ver.lovezinho.comRansom:Win32/Blocker.157b8d7c
www.bing.comRansom:Win32/Blocker.157b8d7c

Backdoor:Win32/Delfsnif.BA

One of the most regular networks where Backdoor:Win32/Delfsnif.BA Trojans are injected are:

  • By ways of phishing e-mails;
  • As an effect of user winding up on a source that hosts a destructive software application;

As quickly as the Trojan is efficiently infused, it will either cipher the information on the target’s computer or prevent the gadget from working in an appropriate way – while also putting a ransom money note that points out the need for the victims to impact the repayment for the purpose of decrypting the files or bring back the file system back to the preliminary problem. In many circumstances, the ransom note will show up when the customer reboots the COMPUTER after the system has currently been damaged.

Backdoor:Win32/Delfsnif.BA distribution networks.

In various corners of the world, Backdoor:Win32/Delfsnif.BA expands by jumps as well as bounds. However, the ransom money notes as well as tricks of extorting the ransom amount might vary depending upon particular local (regional) setups. The ransom notes as well as techniques of obtaining the ransom amount may vary depending on particular neighborhood (local) setups.

Ransomware injection

For instance:

    Faulty notifies about unlicensed software.

    In specific areas, the Trojans typically wrongfully report having detected some unlicensed applications made it possible for on the sufferer’s gadget. The sharp then demands the user to pay the ransom.

    Faulty declarations regarding unlawful content.

    In countries where software application piracy is less preferred, this technique is not as efficient for the cyber scams. Additionally, the Backdoor:Win32/Delfsnif.BA popup alert might incorrectly assert to be deriving from a police organization and also will certainly report having situated kid porn or various other illegal data on the tool.

    Backdoor:Win32/Delfsnif.BA popup alert might incorrectly claim to be acquiring from a legislation enforcement establishment and also will report having located youngster pornography or other unlawful data on the device. The alert will likewise contain a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: 975E9C8F
md5: 9fbefbc482e9f3c7ddac5719da88ef3e
name: 9FBEFBC482E9F3C7DDAC5719DA88EF3E.mlw
sha1: 8ef8ddb7c2f3c48dba9758e8811d3f09002210d5
sha256: 1f69b06211782847bdbcd2c0bd910ab44a6a4ab1b1a3b18b12d5855a5a7fb943
sha512: 305c6175a4dbc7db845b1b621e73a311470aebb8fd6afebc577dc90aaf77c2d3de61184dc9471eb3718e0d6a83154bdf09fd09412aa21b1845f6f31acaa9e764
ssdeep: 1536:eBej95nI6HSpc+UIqnEixqOLaJ5bODpls:zLnI6RoqnxqRjUTs
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Backdoor:Win32/Delfsnif.BA also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware2
K7AntiVirusRiskware ( 0040eff71 )
Elasticmalicious (high confidence)
DrWebTrojan.StartPage.26663
CynetMalicious (score: 100)
CylanceUnsafe
ZillyaTrojan.GenericKD.Win32.202654
SangforSuspicious.Win32.Evo.atgen
AlibabaRansom:Win32/Blocker.157b8d7c
K7GWRiskware ( 0040eff71 )
Cybereasonmalicious.7c2f3c
CyrenW32/Risk.VIOG-7962
SymantecML.Attribute.HighConfidence
ESET-NOD32probably a variant of BAT/Qhost.NDQ
APEXMalicious
AvastFileRepMalware
ClamAVWin.Dropper.Agent-52946
KasperskyTrojan-Ransom.Win32.Blocker.dyzq
NANO-AntivirusTrojan.Win32.Antavmu.dqmkv
ViRobotTrojan.Win32.Generic.72704
TencentMalware.Win32.Gencirc.10b45142
SophosMal/Generic-L
ComodoTrojWare.Win32.Spy.Bancos.~C@7mqm
VIPRETrojan.Win32.Generic!BT
TrendMicroBKDR_DELFSNIF.BB
McAfee-GW-EditionBehavesLike.Win32.Backdoor.lh
FireEyeGeneric.mg.9fbefbc482e9f3c7
SentinelOneStatic AI – Suspicious PE
JiangminTrojan.Blocker.bgj
WebrootW32.Delf.Gen
AviraWORM/Autorun.AV
eGambitUnsafe.AI_Score_99%
KingsoftWorm.Autorun.av.(kcloud)
MicrosoftBackdoor:Win32/Delfsnif.BA
AegisLabTrojan.Win32.Blocker.j!c
TACHYONTrojan-Spy/W32.DP-Banker.74240.D
AhnLab-V3Trojan/Win32.HDC.C391199
McAfeeArtemis!9FBEFBC482E9
MAXmalware (ai score=100)
VBA32TrojanDropper.Small
MalwarebytesMalware.AI.3144213933
PandaTrj/CI.A
TrendMicro-HouseCallBKDR_DELFSNIF.BB
RisingTrojan.Generic@ML.97 (RDML:Vb6kaQTBOVsHwW2NRzfmfg)
YandexWorm.Autorun!vbs4MZdfKzk
IkarusBackdoor.Win32.Delfsnif
MaxSecureTrojan.Malware.738669.susgen
FortinetW32/Agent.HM!tr
AVGFileRepMalware
Paloaltogeneric.ml

How to remove Backdoor:Win32/Delfsnif.BA 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

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 Backdoor:Win32/Delfsnif.BA 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Backdoor:Win32/Delfsnif.BA 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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