Threat Database Trojans Trojan.Downloader.Contravirus

Trojan.Downloader.Contravirus

By CagedTech in Trojans
Published:
Last updated:

Threat Scorecard

Popularity Rank: 14,906
Threat Level: 90 % (High)
Infected Computers: 6,916
First Seen: July 24, 2009
Last Seen: September 1, 2026
OS(es) Affected: Windows

The detection of Trojan.Downloader.Contravirus indicates that a potentially malicious program has been identified on your system. This type of threat is typically associated with Trojan-type malware, which can have a range of negative effects on your computer and personal data. In this report, we will provide an overview of what Trojan.Downloader.Contravirus is, how it operates, and the steps you can take to remove it from your system.

What Is Trojan.Downloader.Contravirus?

Trojan-type malware, such as Trojan.Downloader.Contravirus, is a type of malicious software that is designed to deceive users into installing it on their systems. These programs often masquerade as legitimate software or attachments, but once installed, they can cause a range of problems, including data theft, system crashes, and the installation of additional malware. The name Trojan.Downloader.Contravirus suggests that this particular threat may be capable of downloading additional malicious components from the internet.

How Trojan.Downloader.Contravirus Operates

Once installed, Trojan.Downloader.Contravirus can operate in a variety of ways, depending on its intended purpose. Some common behaviors of Trojan-type malware include: connecting to remote servers to download additional malware or receive instructions, stealing sensitive information such as login credentials or financial data, and installing additional malicious components, such as keyloggers or ransomware. These programs can also modify system settings, disable security software, and create backdoors to allow remote access to the infected system.

Symptoms of Infection

Systems infected with Trojan.Downloader.Contravirus may exhibit a range of symptoms, including: slow system performance, unexpected crashes or freezes, unfamiliar programs or icons, and unusual network activity. You may also notice that your system is behaving erratically, or that your personal data is being accessed or stolen. If you suspect that your system has been infected with Trojan.Downloader.Contravirus, it is essential to take immediate action to remove the threat and prevent further damage.

How to Remove Trojan.Downloader.Contravirus

  1. Boot your system in Safe Mode with Networking to prevent the malware from loading and to allow you to download and install removal tools.
  2. Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system and identify any malicious components.
  3. Uninstall any suspicious programs or applications that may be associated with the Trojan.Downloader.Contravirus threat.
  4. Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or add-ons.
  5. Reboot your system and perform a follow-up scan to ensure that all malicious components have been removed.

Conclusion

The removal of Trojan.Downloader.Contravirus requires careful attention to detail and a thorough understanding of the threat. By following the steps outlined in this report, you can help to ensure that your system is free from this malicious program and that your personal data is protected. Remember to always be cautious when installing new software or opening attachments from unknown sources, and to keep your security software up to date to prevent future infections.

Aliases

15 security vendors flagged this file as malicious.

Antivirus Vendor Detection
Symantec Downloader
Sophos Troj/Nonaco-Gen
Microsoft TrojanDownloader:Win32/Small.gen!F
Ikarus Trojan-Downloader.Win32.Alphabet
CAT-QuickHeal (Suspicious) - DNAScan
BitDefender Generic.Dld.Alpha.E1B4D823
Authentium W32/Downldr2.AJVY
AntiVir HEUR/Malware
Sophos Troj/Zlobou-Gen
McAfee Spywarestrike.dldr
Fortinet Zlobou!tr
eTrust-Vet Win32/Spax!generic
Avast Win32:Renos-Q
AntiVir ADSPY/Striker
BitDefender Adware.Spyaxe.E

File System Details

Trojan.Downloader.Contravirus may create the following file(s):
# File Name MD5 Detections
1. gbiehabn.dll cd5ec536d54be1742154f7c1446016a5 3
2. ContraVirusPro.exe 6acf03c2dc985b27e3ccfdbf1f6e2533 0
3. nnsadstc.dll 0a9d04c71494e9ecb909c9e4e302dd3d 0
4. j1251831.dll 6f64522ae031e1ae9c9fcace271b03b2 0
5. mhmnjixb.dll 7b7129bd4932960f869752c06610b984 0
6. jhsvopov.dll cce8a3989dd82d030fe1fb507bfe2c2c 0
7. batqfmni.dll edbe263e474f69e38c49ee2e37660e53 0
8. dciljunr.dll 9730929a4da4876310abeeca2a59833e 0
9. msdsregl.exe 636a1f2bd8d8c921c767a77aaa65fecd 0
10. jidgokfh.dll 9c3aa547b1480fe55241d374b7b96e24 0
11. kpycyawp.dll 0882d83cdd2e056dea290759fd9a3f69 0
12. mtvgrntp.dll 4e462e64d5de23cc08ff0338e64fac63 0
13. rwinqodt.exe 5d81081447a0e9c25e61ecbd32902cd8 0
14. byxvssq.dll 815a72ab4d3e7ccd838e03ef6ef153d4 0
15. ljjkhge.dll 223f8d59c120237c55eee252f767b3bb 0
16. secieaddin.dll 53cfc76afaa6cef433ca95c12202198c 0
17. lkosrcmk.dll 696117cbe8932aeb4f916b5ca378a971 0
18. rqronol.dll cfebb7b4bc64bd4f6132d8c1075df6c8 0
19. monckxwk.dll 9d89f4a3e31f4b5cdba38c56744ae896 0
20. qddycfts.dll 2566d3a632227ce81a3b684614d1adb7 0
21. jyngtydj.dll 0a1cfe08762e6e553a6e748e4f152073 0
22. jdfcxobl.dll a8e965406acc25374c41dd155ad5b499 0
23. khhgd.dll 7f6538115b842364fc3ca384d20723e2 0
24. iwkglrnu.dll 3d7a6cf8ecb0b46f6ce6aea42fd63454 0
25. oqfrsqul.dll f2182bb37c7ea25211d3804756550d0d 0
26. nnnnmmj.dll 52a82a45fefc10c6b725e36a32b15a42 0
More files

Registry Details

Trojan.Downloader.Contravirus may create the following registry entry or registry entries:
CLSID
{DEBEB52F-CFA6-4647-971F-3EDB75B63AFA}
File name without path
gbiehabn.dll