Threat Database Malware Ursu Trojan

Ursu Trojan

Threat Scorecard

Ranking: 999
Threat Level: 90 % (High)
Infected Computers: 104,047
First Seen: September 15, 2015
Last Seen: September 29, 2023
OS(es) Affected: Windows

Ursu is a threatening Trojan that infiltrates your computer without your knowledge or consent, often by exploiting system vulnerabilities and security flaws. It can be downloaded from corrupted websites or email attachments from untrusted sources. The weaponized files can be from various different types, such as .exe, .pif, .avi and even .jpg files.

Once installed, Ursu remains hidden in the background and will likely perform various harmful functions that allow threat actors to gain complete control over the victim's system. The threatening capabilities of the Ursu Trojan may include deleting files, installing additional malware, collecting passwords, changing system settings and monitoring the computer activity. As Ursu does not have the ability to replicate itself, computer users need to take measures to protect their machines against it to prevent its installation on their computers.

How Harmful are Threats Like the Ursu Trojan

A Trojan threat is malware that could be injected into or disguised as legitimate software or files, which is usually spread via file sharing, downloads or emails. Once inside your computer, it can cause damage by disabling system functions, hijacking personal information, accessing other devices connected to the network or providing its operators with remote access to the breached device.

Typically, Trojans are used to give hackers access to a user's device, taking control of its resources and opening up opportunities for further attacks, such as ransomware and data theft. In some cases, they are deployed by hackers to create Distributed Denial-of-Service (DDoS) attacks on networks and websites. Alternatively, they may be used to install additional threatening software onto PCs, such as keyloggers, crypto-miners, etc.

How to Avoid the Ursu Trojan Attacks?

Keeping all installed programs up-to-date helps protect against security vulnerabilities targeted by attackers. This applies not only to your operating system but also to any applications you might have, such as browsers or email clients. Routinely backing up essential data could provide an easy way to restore lost data in case something happens due to the effects of a harmful tool infiltrating your machine.

It also is crucial always to be careful when clicking links sent through unsolicited emails – this tactic is often employed by attackers trying to trick users into downloading corrupted files. If you receive suspicious emails containing attachments from unknown senders, try not to interact with them until you have managed to verify the legitimacy of their senders.

Registry Details

Ursu Trojan may create the following registry entry or registry entries:
Regexp file mask
%UserProfile%\Local Settings\Application Data\petgame.exe
%windir%\branding\[RANDOM CHARACTERS].png

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