Win32/Injector.DFNB

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Win32/Injector.DFNB malware detection means that your system is in big danger. This malware can correctly be named as ransomware – sort of malware which ciphers your files and forces you to pay for their decryption. Stopping it requires some peculiar steps that must be done as soon as possible.
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Win32/Injector.DFNB detection is a virus detection you can spectate in your system. It generally appears after the provoking procedures on your computer – opening the suspicious email, clicking the advertisement in the Internet or mounting the program from suspicious sources. From the moment it shows up, you have a short time to take action before it begins its malicious action. And be sure – it is better not to await these malicious actions.

What is Win32/Injector.DFNB virus?

Win32/Injector.DFNB is ransomware-type malware. It looks for the documents on your disk, encrypts it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your files inaccessible, this malware also does a ton of harm to your system. It alters the networking settings in order to prevent you from reading the removal tutorials or downloading the antivirus. In rare cases, Win32/Injector.DFNB can even block the launching of anti-malware programs.

Win32/Injector.DFNB Summary

In total, Win32/Injector.DFNB virus actions in the infected PC are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Behavioural detection: Executable code extraction – unpacking;
  • Attempts to connect to a dead IP:Port (3 unique times);
  • Creates RWX memory;
  • A process attempted to delay the analysis task.;
  • Dynamic (imported) function loading detected;
  • Performs HTTP requests potentially not found in PCAP.;
  • Reads data out of its own binary image;
  • A process created a hidden window;
  • CAPE extracted potentially suspicious content;
  • Authenticode signature is invalid;
  • Behavioural detection: Injection (Process Hollowing);
  • Executed a process and injected code into it, probably while unpacking;
  • Attempts to delete or modify volume shadow copies;
  • Behavioural detection: Injection (inter-process);
  • Behavior consistent with a dropper attempting to download the next stage.;
  • Installs itself for autorun at Windows startup;
  • Attempts to modify proxy settings;
  • Attempts to modify browser security settings;
  • Creates a copy of itself;
  • Harvests cookies for information gathering;
  • Harvests information related to installed mail clients;
  • Collects information to fingerprint the system;
  • Uses suspicious command line tools or Windows utilities;
  • Encrypting the files located on the target’s disks — so the victim cannot check these files;
  • Blocking the launching of .exe files of anti-virus programs
  • Blocking the launching of installation files of anti-malware apps

Ransomware has actually been a major problem for the last 4 years. It is challenging to imagine a more harmful virus for both individuals and companies. The algorithms utilized in Win32/Injector.DFNB (usually, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have more time than our galaxy currently exists, and possibly will exist. However, that virus does not do all these terrible things instantly – it can take up to several hours to cipher all of your documents. Thus, seeing the Win32/Injector.DFNB detection is a clear signal that you should begin the removal process.

Where did I get the Win32/Injector.DFNB?

Standard methods of Win32/Injector.DFNB injection are usual for all other ransomware examples. Those are one-day landing websites where victims are offered to download and install the free app, so-called bait e-mails and hacktools. Bait e-mails are a pretty modern method in malware distribution – you get the e-mail that mimics some regular notifications about shippings or bank service conditions changes. Within the e-mail, there is a corrupted MS Office file, or a link which opens the exploit landing site.

Malicious email spam

Malicious email message. This one tricks you to open the phishing website.

Preventing it looks quite simple, however, still requires tons of attention. Malware can hide in various places, and it is far better to prevent it even before it invades your system than to rely upon an anti-malware program. Essential cybersecurity knowledge is just an important item in the modern-day world, even if your relationship with a PC remains on YouTube videos. That may keep you a lot of money and time which you would certainly spend while trying to find a solution.

Win32/Injector.DFNB malware technical details

File Info:

name: 7B5CB56BDF958082715D.mlw
path: /opt/CAPEv2/storage/binaries/6f33f2cb5e933d697411448d927b4feee73f8efebe79a9379c6dd5a2b72c9168
crc32: 0F0161A4
md5: 7b5cb56bdf958082715da670d7393bb2
sha1: c88df32f76b5444b37b5e4dc178ccb3e2911da67
sha256: 6f33f2cb5e933d697411448d927b4feee73f8efebe79a9379c6dd5a2b72c9168
sha512: d24acc608bc50e3ec95bb1c7626f6afeac975f40c23abecb242e6d293e2fbf681bb3544044721deafdf1a8bbac49552c95df0967f4e42d2caaa09335c8b3cc88
ssdeep: 12288:fN4WlkMGHOGGk9uu/ogdF+CfNwCAeCgcUbptOf:V4KfGH0u/ogdEKNwCogHLOf
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T14A9423057EC1A0BBD6B712725CA5EBF8BDFE8BAC0512920387A4BD7E5D26413092B059
sha3_384: 301be91c04d22c50e998316c97a991d48e00544b5a599528a2343d6d12d0d324f234dbf35b86fcc3f6fc51cd729220dd
ep_bytes: 81ec8401000053555633db57895c2418
timestamp: 2014-10-07 04:40:23

Version Info:

0: [No Data]

Win32/Injector.DFNB also known as:

LionicHacktool.NSIS.MyxaH.x!c
Elasticmalicious (high confidence)
CynetMalicious (score: 100)
CAT-QuickHealRansom.Onion.B
ALYacTrojan.RanSerKD.3554968
SangforRansom.Win32.Enestedel.T!rsm
K7AntiVirusTrojan ( 004f980c1 )
AlibabaRansom:Win32/Enestedel.8dfe67ca
K7GWTrojan ( 004f980c1 )
CrowdStrikewin/malicious_confidence_100% (W)
SymantecRansom.TorrentLocker
ESET-NOD32a variant of Win32/Injector.DFNB
APEXMalicious
Paloaltogeneric.ml
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderTrojan.RanSerKD.3554968
NANO-AntivirusTrojan.Win32.Inject.egsvbq
MicroWorld-eScanTrojan.RanSerKD.3554968
TencentNsis.Packed.Myxah.Aisi
Ad-AwareTrojan.RanSerKD.3554968
EmsisoftTrojan.RanSerKD.3554968 (B)
DrWebTrojan.PWS.Siggen1.57561
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom_CRYPTLOCK.DLFLTN
McAfee-GW-EditionBehavesLike.Win32.AdwareAdload.gc
FireEyeGeneric.mg.7b5cb56bdf958082
SophosMal/Generic-S + Mal/Miuref-L
GDataTrojan.RanSerKD.3554968
WebrootW32.Trojan.Gen
AviraHEUR/AGEN.1139219
KingsoftWin32.Troj.Generic_a.a.(kcloud)
ArcabitTrojan.RanSerKD.D363E98
MicrosoftTrojan:Win32/Wacatac.B!ml
AhnLab-V3Trojan/Win32.Zpack.R190934
McAfeeArtemis!7B5CB56BDF95
MAXmalware (ai score=100)
VBA32Trojan.Nisloder
PandaTrj/CI.A
TrendMicro-HouseCallRansom_CRYPTLOCK.DLFLTN
RisingTrojan.Generic@ML.100 (RDML:ZztqGZo/HPqt5gO1a4SJ2w)
YandexTrojan.Injector!j+hlFo1/198
SentinelOneStatic AI – Suspicious PE
eGambitGeneric.Malware
FortinetW32/Injector.DFNB!tr
BitDefenderThetaGen:NN.ZedlaF.34294.gq4@am7grRc
AVGWin32:Malware-gen
Cybereasonmalicious.bdf958
AvastWin32:Malware-gen

How to remove Win32/Injector.DFNB?

Win32/Injector.DFNB malware is incredibly hard to eliminate by hand. It puts its documents in a variety of places throughout the disk, and can get back itself from one of the elements. Furthermore, a lot of changes in the registry, networking settings and also Group Policies are fairly hard to locate and return to the initial. It is far better to use a specific tool – exactly, an anti-malware app. GridinSoft Anti-Malware will fit the best for virus removal goals.

Why GridinSoft Anti-Malware? It is very lightweight and has its databases updated just about every hour. In addition, it does not have such bugs and exposures as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware suitable for clearing away malware of any type.

Remove the viruses with GridinSoft Anti-Malware

  • Download and install GridinSoft Anti-Malware. After the installation, you will be offered to perform the Standard Scan. Approve this action.
  • Gridinsoft Anti-Malware during the scan process

  • Standard scan checks the logical disk where the system files are stored, together with the files of programs you have already installed. The scan lasts up to 6 minutes.
  • GridinSoft Anti-Malware scan results

  • When the scan is over, you may choose the action for each detected virus. For all files of [SHORT_NAME] the default option is “Delete”. Press “Apply” to finish the malware removal.
  • GridinSoft Anti-Malware - After Cleaning
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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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