Backdoor:Win32/Delfsnif.BA

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.

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.net Ransom:Win32/Blocker.157b8d7c
ver.lovezinho.com Ransom:Win32/Blocker.157b8d7c
www.bing.com Ransom: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: 975E9C8Fmd5: 9fbefbc482e9f3c7ddac5719da88ef3ename: 9FBEFBC482E9F3C7DDAC5719DA88EF3E.mlwsha1: 8ef8ddb7c2f3c48dba9758e8811d3f09002210d5sha256: 1f69b06211782847bdbcd2c0bd910ab44a6a4ab1b1a3b18b12d5855a5a7fb943sha512: 305c6175a4dbc7db845b1b621e73a311470aebb8fd6afebc577dc90aaf77c2d3de61184dc9471eb3718e0d6a83154bdf09fd09412aa21b1845f6f31acaa9e764ssdeep: 1536:eBej95nI6HSpc+UIqnEixqOLaJ5bODpls:zLnI6RoqnxqRjUTstype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Backdoor:Win32/Delfsnif.BA also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Riskware ( 0040eff71 )
Elastic malicious (high confidence)
DrWeb Trojan.StartPage.26663
Cynet Malicious (score: 100)
Cylance Unsafe
Zillya Trojan.GenericKD.Win32.202654
Sangfor Suspicious.Win32.Evo.atgen
Alibaba Ransom:Win32/Blocker.157b8d7c
K7GW Riskware ( 0040eff71 )
Cybereason malicious.7c2f3c
Cyren W32/Risk.VIOG-7962
Symantec ML.Attribute.HighConfidence
ESET-NOD32 probably a variant of BAT/Qhost.NDQ
APEX Malicious
Avast FileRepMalware
ClamAV Win.Dropper.Agent-52946
Kaspersky Trojan-Ransom.Win32.Blocker.dyzq
NANO-Antivirus Trojan.Win32.Antavmu.dqmkv
ViRobot Trojan.Win32.Generic.72704
Tencent Malware.Win32.Gencirc.10b45142
Sophos Mal/Generic-L
Comodo TrojWare.Win32.Spy.Bancos.~C@7mqm
VIPRE Trojan.Win32.Generic!BT
TrendMicro BKDR_DELFSNIF.BB
McAfee-GW-Edition BehavesLike.Win32.Backdoor.lh
FireEye Generic.mg.9fbefbc482e9f3c7
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan.Blocker.bgj
Webroot W32.Delf.Gen
Avira WORM/Autorun.AV
eGambit Unsafe.AI_Score_99%
Kingsoft Worm.Autorun.av.(kcloud)
Microsoft Backdoor:Win32/Delfsnif.BA
AegisLab Trojan.Win32.Blocker.j!c
TACHYON Trojan-Spy/W32.DP-Banker.74240.D
AhnLab-V3 Trojan/Win32.HDC.C391199
McAfee Artemis!9FBEFBC482E9
MAX malware (ai score=100)
VBA32 TrojanDropper.Small
Malwarebytes Malware.AI.3144213933
Panda Trj/CI.A
TrendMicro-HouseCall BKDR_DELFSNIF.BB
Rising [email protected] (RDML:Vb6kaQTBOVsHwW2NRzfmfg)
Yandex Worm.Autorun!vbs4MZdfKzk
Ikarus Backdoor.Win32.Delfsnif
MaxSecure Trojan.Malware.738669.susgen
Fortinet W32/Agent.HM!tr
AVG FileRepMalware
Paloalto generic.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

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 Backdoor:Win32/Delfsnif.BA 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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