Backdoor:Win32/Zegost.H
Posted: October 13, 2011
Threat Metric
The following fields listed on the Threat Meter containing a specific value, are explained in detail below:
Threat Level: The threat level scale goes from 1 to 10 where 10 is the highest level of severity and 1 is the lowest level of severity. Each specific level is relative to the threat's consistent assessed behaviors collected from SpyHunter's risk assessment model.
Detection Count: The collective number of confirmed and suspected cases of a particular malware threat. The detection count is calculated from infected PCs retrieved from diagnostic and scan log reports generated by SpyHunter.
Volume Count: Similar to the detection count, the Volume Count is specifically based on the number of confirmed and suspected threats infecting systems on a daily basis. High volume counts usually represent a popular threat but may or may not have infected a large number of systems. High detection count threats could lay dormant and have a low volume count. Criteria for Volume Count is relative to a daily detection count.
Trend Path: The Trend Path, utilizing an up arrow, down arrow or equal symbol, represents the level of recent movement of a particular threat. Up arrows represent an increase, down arrows represent a decline and the equal symbol represent no change to a threat's recent movement.
% Impact (Last 7 Days): This demonstrates a 7-day period change in the frequency of a malware threat infecting PCs. The percentage impact correlates directly to the current Trend Path to determine a rise or decline in the percentage.
| Ranking: | 16,731 |
|---|---|
| Threat Level: | 6/10 |
| Infected PCs: | 1,483 |
| First Seen: | October 13, 2011 |
|---|---|
| Last Seen: | August 31, 2023 |
| OS(es) Affected: | Windows |
Backdoor:Win32/Zegost.H is a backdoor Trojan that's distributed primarily by TrojanDropper:Win32/Fedripto.A, a Trojan that pretends to be a game item-trading .jpg file. Like most backdoor Trojans, Backdoor:Win32/Zegost.H is capable of attacking your computer's security and allowing remote criminals to connect to your PC and control it without your permission. These attacks, although extremely dangerous violations of your safety and privacy, may not have readily-visible signs of being ongoing, and you should use appropriate anti-malware software to find and remove Backdoor:Win32/Zegost.H infections in most cases. However, as long as you avoid risky websites, file downloads and Backdoor:Win32/Zegost.H's fake .jpg links, your PC should be safe from typical Backdoor:Win32/Zegost.H attacks.
Backdoor:Win32/Zegost.H: A Fake Gaming Bargain with Trojan Partners
Backdoor:Win32/Zegost.H is transferred as just one part of a fake game item-trading scam that also involves the dropper Trojan TrojanDropper:Win32/Fedripto.A. As the most common Fedripto.A payload (or file that Fedripto.A will install without permission), Backdoor:Win32/Zegost.H is closely-affiliated with this second Trojan and any scans to detect Backdoor:Win32/Zegost.H should also be complete enough to detect a potential Fedripto.A infection, as well.
A fake item-trading scam from Backdoor:Win32/Zegost.H and Fedripto.A will start in the form of an instant message from a stranger or a spam e-mail message. In either case, the message will contain a link, seemingly to a .jpg file, that, supposedly, is a screenshot of a gaming application item that the stranger wants to trade to you. However, SpywareRemove.com malware experts have found that this .jpg is actually an installation package for Fedripto.A, which will often install Backdoor:Win32/Zegost.H shortly afterwards.
Backdoor:Win32/Zegost.H infections can cause:
- Altered firewall settings that allow malicious programs to transmit data without being stopped by the firewall.
- Opened network ports that create vulnerabilities through which your PC may be attacked.
- Criminals assuming control over your entire PC, typically for purposes of DDoS attacks, spambot recruiting or to steal private information.
TrojanDropper:Win32/Fedripto.A can also be instructed to install other forms of harmful programs, including spyware, fake system scanners, ransomware Trojans or viruses.
Putting Your Firewall's Flames Back Under Backdoor:Win32/Zegost.H's Feet
Although Backdoor:Win32/Zegost.H is an extremely serious infection, Backdoor:Win32/Zegost.H's attacks can be subtle and may remain unnoticed, unless you have an anti-malware program that can detect covert infiltrations of your Windows Registry and other Windows components. Since Backdoor:Win32/Zegost.H hasn't been reported to have rootkit capabilities, Safe Mode should allow you to stop Backdoor:Win32/Zegost.H from launching and provide the right environment for running a scan that can get rid of Backdoor:Win32/Zegost.H.
However, SpywareRemove.com malware researchers also note that up-to-date PC threat definitions are vital to catching any Backdoor:Win32/Zegost.H infection. Backdoor:Win32/Zegost.H was first widely-reported in early March of 2011, and if your anti-malware program is using a definitions database from February 2011 or earlier, it may lack the prerequisite definitions to find and delete Backdoor:Win32/Zegost.H.
Technical Details
File System Modifications
Tutorials: If you wish to learn how to remove malware components manually, you can read the tutorials on how to find malware, kill unwanted processes, remove malicious DLLs and delete other harmful files. Always be sure to back up your PC before making any changes.
The following files were created in the system:file.exe
File name: file.exeSize: 659.47 KB (659470 bytes)
MD5: 8a3e709f29a8f85f41f165f7eb831d69
Detection count: 94
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
file.exe
File name: file.exeSize: 266.26 KB (266260 bytes)
MD5: 8d0057024b3a29a1314896e83562ac68
Detection count: 62
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
Last Updated: August 22, 2017
c:\windows\cgoegm.exe
File name: cgoegm.exeSize: 191.93 KB (191938 bytes)
MD5: 8b4ba191fec40a8bec0f487603f9511a
Detection count: 61
File type: Executable File
Mime Type: unknown/exe
Path: c:\windows
Group: Malware file
Last Updated: March 30, 2018
c:\windows\system32\hexterms.exe
File name: hexterms.exeSize: 61.45 KB (61453 bytes)
MD5: a512281a5668d39698147c056bc5ffb9
Detection count: 12
File type: Executable File
Mime Type: unknown/exe
Path: c:\windows\system32
Group: Malware file
Last Updated: January 3, 2019
file.exe
File name: file.exeSize: 90.11 KB (90112 bytes)
MD5: 0c2b1d94ddc1eb45f627b879097a5442
Detection count: 5
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
Registry Modifications
Regexp file mask%PROGRAMFILES%\Google\svchots.exe%TEMP%\WatchFolder.exe%WINDIR%\BJ.exe%WINDIR%\Help\360Safx.exe%WINDIR%\svchosvt.exe%WINDIR%\SysWOW64\lytrym.exe%WINDIR%\SysWOW64\systen.exe%WINDIR%\SysWOW64\zqbzqy.exe%WINDIR%\Terms.exeHKEY..\..\..\..{RegistryKeys}SOFTWARE\Wow6432Node\FuckYouSOFTWARE\Wow6432Node\Microsoft\Comfastuserswitchingcompatibility70
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