Hello,
Another article on this type of virus, found at this link states as follows.
Also check this link
Trojan:Win32/Occamy.C is a threat identified by Microsoft Security Software. This is a typical malware that targets the core system of Windows in order to complete its tasks. Trojan:Win32/Occamy.C was made to execute a series of commands once it gets inside the system. It will gather data like system settings, Windows version, network configuration, and so on. Collected data will be sent to remote attacker for analysis.
Threat behavior
In general, system will get infected with Trojan:Win32/Occamy.C if malicious code is executed on the computer. Source of this trojan may vary due to the changing ways how it is deployed. Typically, spam email messages disguising as open letter from reputable institution are used to deceive recipients. Body of the message contains enticing phrases that tries to convince user into opening the attached file.
Malicious links from social media sites and instant messaging program are also seen as method used in distributing Trojan:Win32/Occamy.C. Illegally distributed software and media materials may also contain code that can lead to the infection of this malware.
Payload
In order to run itself on Windows start-up, Trojan:Win32/Occamy.C will make a copy of itself under system files. Then, registry entry is created to call the file on each Windows boot-up. Apart from that, this malware will also drop non-malicious files on various folders of the compromised PC.
Trojan:Win32/Occamy.C occasionally connects to a remote host to execute tasks like the following:
◾Notify attacker on the new infection
◾Sends gathered data from the infected computer
◾Download and execute additional files including an updated version of the trojan
◾Accept command from a remote attacker
Symptoms
There is not much obvious symptom from this malware. Trojan:Win32/Occamy.C operates silently in the background. However, Microsoft Security Software may alert you on the presence of this trojan.
Trojan:Win32/Occamy.C is a malware that can drop malicious files onto the computer, which tend to lock files and demand payment from users in order to regain access. Some security programs deemed this threat as a Ransomware with that causes high potential damage.
This Trojan will drop the following files:
C:\Users\Username\AppData\Local\Microsoft\Windows\INet Cache\IE\MIPY49MB\MicrosoftSecurity[1].exe
C:\ProgramData\update.exe
C:\Users\Username\AppData\LocalLow\Microsoft\Cryptnet Url Cache\Content\5CEA8CFB8047B569B331D0E79D28457D
Aliases: Trojan-Ransom.Win32.Blocker.kqwj, Ransom.HiddenTear, Win32.Occamy
from second article:
Occamy.C falls under the Trojan umbrella. It’s a dreadful application. One that slithers its way into your system via trickery and finesse. Then, once it settles, corrupts it. Not long after the tool invades, it begins to wreak havoc. You face a multitude of grievances on a daily basis. Among the scariest of issues, you encounter, is the privacy risk. Yes, the Trojan threatens your private life. It follows instructions to spy on you from the moment it infiltrates. And, so it does. The tool starts its espionage upon invasion. It monitors your browsing habits, and records everything you do. It keeps track of your every online move. Then, once it determines it has collected enough data, sends it. It hands it over to the unknown people behind it. The cyber criminals with questionable intentions that published it. Those are the individuals, who get access to your sensitive details.
Trojans don’t make for good company. Neither does Occamy.C. The tool throws you into a whirlwind of troubles. After it sneaks into your system undetected, it makes its presence known. How? Well, it begins to meddle. The infection is immensely intrusive. At the very least, it ruins your online experience. Every time, you browse the web, it makes sure to interrupt. It bombards you with banner, in-text, and pop-up ads. As well as, redirects you to suspicious sites. And, nothing you see is reliable or trustworthy. So, click nothing. To press even a single pop-up, is to set yourself up for further grievances. Furthermore, don’t think the incessant interference goes unnoticed. Due to the Trojan’s presence, your PC starts to suffer frequent crashes. Your computer’s performance slows down to a crawl, too. But don’t think the Trojan’s touch is limited to your browsing, alone. Oh, no. The hazardous tool spreads its nastiness throughout. It has the ability to perform changes on your system. It reshuffles settings, even installs programs. Oh, yes. You can find your default homepage replaced. Or, discover your PC home to a plethora of malicious applications. You face a severe malware threat. Couple that with the grave security issue, and it’s given. The Occamy.C has NO place on your computer. Delete it the first chance you get. Its prompt removal earns you a peace of mind. And, the gratitude of your future self.
He picked up the wrench and broke the guy’s wrist with it, one, and then the other wrist, two, and turned back and did the same to the guy who had held the hammer, three, four. The two men were somebody’s weapons, consciously deployed, and no soldier left an enemy’s abandoned ordnance on the field in working order.