Trojan.Win32.Cromex.a
Posted: May 30, 2012
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.
| Threat Level: | 9/10 |
|---|---|
| Infected PCs: | 37 |
| First Seen: | May 30, 2012 |
|---|---|
| Last Seen: | September 22, 2022 |
| OS(es) Affected: | Windows |
Trojan.Win32.Cromex.a is a Trojan advertised as a key generator, or keygen for Steam games, specifically, Steam Keygen. Numerous YouTube profiles are used to spread the fake keygen. Visiting any of the three website addresses flashed on the particular YouTube clip, which is still live, leads to public portals where the supposed keygen, steam Game Key Generator.exe, can be downloaded. Once the file is executed, PC users will not see any visible activities on their desktops. In the background, however, steam Game Key Generator.exe installs 7.0.1428.crx, a Google Chrome extension file detected to be a Trojan spyware named Trojan.Win32.Cromex.a, that is hosted on theonlyone(dot)goodluckwith(dot)us. This .CRX file is then installed onto Chrome upon the PC user permission. Those PC users who aren’t aware of Chrome extensions, these are 'zipped bundle of files-HTML, CSS, JavaScript (JS), images, and anything else you need-that adds functionality to the Google Chrome browser', and you can view them in Tools > Extensions. This specific extension hides itself as the genuine browser plugin, WebRep, a website rating tool of security software company, AVAST Software. The person or group behind the fake plugin used such an approach to disguise the malicious activities of the file from unaware PC users. This bogus plugin runs two JS files, detected as Trojan.Js.Win32.Cromex.a, encompassed in itself, and named 'webProtection.js' and 'background, js'. Using 'webProtection.js', it looks out for numerous strings, which are notably associated with online games/gaming and email accounts, in domains the PC user is presently visiting.
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