NSIS/TrojanDownloader.Chindo.AJ

Spectating the NSIS/TrojanDownloader.Chindo.AJ malware detection means that your PC is in big danger. This malware can correctly be named as ransomware – sort of malware which encrypts your files and asks you to pay for their decryption. Deleteing it requires some unusual steps that must be done as soon as possible.

NSIS/TrojanDownloader.Chindo.AJ detection is a malware detection you can spectate in your system. It frequently appears after the preliminary procedures on your PC – opening the untrustworthy email, clicking the advertisement in the Web or setting up the program from untrustworthy resources. From the second it shows up, you have a short time to act before it begins its destructive action. And be sure – it is much better not to wait for these destructive effects.

What is NSIS/TrojanDownloader.Chindo.AJ virus?

NSIS/TrojanDownloader.Chindo.AJ is ransomware-type malware. It looks for the documents on your disk, ciphers it, and then asks you to pay the ransom for getting the decryption key. Besides making your documents inaccessible, this virus also does a lot of harm to your system. It modifies the networking settings in order to prevent you from checking out the removal guides or downloading the anti-malware program. Sometimes, NSIS/TrojanDownloader.Chindo.AJ can additionally block the launching of anti-malware programs.

NSIS/TrojanDownloader.Chindo.AJ Summary

In total, NSIS/TrojanDownloader.Chindo.AJ malware activities in the infected system are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Behavioural detection: Executable code extraction – unpacking;
  • Attempts to connect to a dead IP:Port (1 unique times);
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Creates RWX memory;
  • Dynamic (imported) function loading detected;
  • A named pipe was used for inter-process communication;
  • Starts servers listening on 127.0.0.1:0;
  • Reads data out of its own binary image;
  • Authenticode signature is invalid;
  • Uses Windows utilities for basic functionality;
  • Behavioural detection: Injection (inter-process);
  • Detects VMware through the presence of a registry key;
  • Attempts to modify proxy settings;
  • Harvests cookies for information gathering;
  • Ciphering the documents located on the target’s drives — so the victim cannot check these files;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-malware apps

Ransomware has actually been a nightmare for the last 4 years. It is challenging to realize a more harmful malware for both individuals and organizations. The algorithms used in NSIS/TrojanDownloader.Chindo.AJ (typically, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have a lot more time than our galaxy actually exists, and possibly will exist. But that malware does not do all these terrible things immediately – it may take up to several hours to cipher all of your documents. Therefore, seeing the NSIS/TrojanDownloader.Chindo.AJ detection is a clear signal that you should start the removal procedure.

Where did I get the NSIS/TrojanDownloader.Chindo.AJ?

Routine ways of NSIS/TrojanDownloader.Chindo.AJ spreading are usual for all other ransomware examples. Those are one-day landing websites where victims are offered to download the free software, so-called bait e-mails and hacktools. Bait emails are a relatively new method in malware spreading – you receive the e-mail that imitates some routine notifications about deliveries or bank service conditions shifts. Within the e-mail, there is an infected MS Office file, or a link which opens the exploit landing page.

Malicious email spam

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

Avoiding it looks fairly easy, but still requires tons of focus. Malware can hide in various spots, and it is much better to stop it even before it goes into your PC than to depend on an anti-malware program. General cybersecurity awareness is just an important item in the modern-day world, even if your interaction with a PC stays on YouTube videos. That can save you a lot of time and money which you would spend while searching for a fixing guide.

NSIS/TrojanDownloader.Chindo.AJ malware technical details

File Info:

name: 1ABA2AD50929453E3CB0.mlwpath: /opt/CAPEv2/storage/binaries/c24b6875d3f86987f67bb01268cb906dde974337004f16711d2ba3d5e35b1c4dcrc32: B386177Dmd5: 1aba2ad50929453e3cb0796f3a23b6dcsha1: 038a2c6a6cc7d61b7f068de0a5c85808ed7e4e6asha256: c24b6875d3f86987f67bb01268cb906dde974337004f16711d2ba3d5e35b1c4dsha512: 7eeb35f07622ca6978672f45c60ce0783f4f3f9cfb77ffce6c2197f1e73af9d0adbcd11857057895696b9c2256be53cd44bef96339fe4bfdc37aa3c3bc622d70ssdeep: 6144:IzjwjnbLReRkEkh161Apydbv2TGb7Ibnspv:IfwNeRkZabuTu+nOtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1A514F1016BE8807AF6B18EB529B59657897FFC210C30E63F6B91AD9E7835944CD38343sha3_384: b3e8f58be0fa5b6d88d73687fb66680571eddd21acfb4cc2cf264eb52e930bc49def851bb9e2a1a0a3375ef710a1bb60ep_bytes: 81ecd4020000535556576a2033ed5e89timestamp: 2012-02-24 19:19:49

Version Info:

0: [No Data]

NSIS/TrojanDownloader.Chindo.AJ also known as:

Bkav W32.AIDetect.malware1
Lionic Trojan.NSIS.Generic.mAzo
MicroWorld-eScan Adware.PUTF
FireEye Generic.mg.1aba2ad50929453e
ALYac Adware.PUTF
Cylance Unsafe
Sangfor PUP.Win32.Agent.gen
K7AntiVirus Trojan-Downloader ( 004dfe011 )
K7GW Trojan-Downloader ( 004dfe011 )
Cybereason malicious.509294
Symantec ML.Attribute.HighConfidence
ESET-NOD32 NSIS/TrojanDownloader.Chindo.AJ
TrendMicro-HouseCall TROJ_GEN.R002C0PH821
Paloalto generic.ml
Cynet Malicious (score: 100)
Kaspersky not-a-virus:HEUR:Downloader.Win32.Agent.gen
BitDefender Adware.PUTF
Avast Win32:Malware-gen
Tencent Nsis.Trojan-downloader.Chindo.Eaxu
Ad-Aware Adware.PUTF
Comodo Malware@#gtii3dntqh41
VIPRE Trojan.Win32.Generic!BT
TrendMicro TROJ_GEN.R002C0PH821
McAfee-GW-Edition BehavesLike.Win32.Dropper.cc
Emsisoft Adware.PUTF (B)
Ikarus Trojan-Downloader.Win32.Adload
GData Adware.PUTF
Jiangmin Trojan.Agent.rmk
MAX malware (ai score=69)
Arcabit Adware.PUTF
Microsoft Ransom:Win32/StopCrypt!ml
AhnLab-V3 PUP/Win32.BundleInstaller.C2414934
McAfee RDN/Generic Downloader.x
VBA32 Downloader.Agent
APEX Malicious
Rising Adware.Downloader!1.A52A (CLASSIC)
Yandex Trojan.DL.Chindo!bWZISczHAHg
SentinelOne Static AI – Malicious PE
AVG Win32:Malware-gen
CrowdStrike win/malicious_confidence_80% (D)

How to remove NSIS/TrojanDownloader.Chindo.AJ?

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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