![]() ![]() That will install a shortcut to the theme and wallpapers in the Personalization section of Control Panel. Double-click the theme you see there (for example ZA).ģ. Each subfolder has wallpapers for a specific country: AU for Australia, CA for Canada, GB for Great Britain, US for the United States, and ZA for South Africa.įor any of the countries whose wallpaper and themes you want to use, go into its Theme folder, for example, C:\Windows\Globalization\MCT\MCT-ZA\Theme. Windows Explorer will launch and show you a list of subfolders under C:\Windows\Globalization\MCT: MCT-AU, MCT-CA, MCT-GB, MCT-US, and MCT-ZA. (Note: If Windows 7 is installed in a drive other than C:, use that letter instead.)Ģ. In the search box in the Start menu, type C:\Windows\Globalization\MCT and press Enter. Normally, you can't access those backgrounds or themes, but there is a simple way you can install and use them:ġ. Hidden, though, are background scenery and themes from other English-speaking countries - Australia, Canada, Great Britain and South Africa. If you choose English (United States) for your time and currency format, for example, the available desktop backgrounds and themes will include a United States section with scenery from locations such as Maine, the Southwest and so on. Based on your responses, it installs a set of wallpapers and themes. When you first install Windows 7, it asks for your language, time and currency. Use hidden international wallpapers and themes "It is crucial to refrain from clicking on suspicious URLs or downloading files from unknown sources, as these actions can expose systems to malicious payloads delivered through the 'search' / 'search-ms' URI protocol handler," the researchers said.We'll start with a few nifty tips that can make your desktop more interesting, make it easier to get around and increase your computer's power efficiency. With Microsoft steadily taking steps to clamp down on various initial access vectors, it's expected that adversaries could latch onto the URI protocol handler method to evade traditional security defenses and distribute malware. Regardless of the method used, the infections lead to the installation of AsyncRAT and Remcos RAT, offering a pathway for threat actors to remotely commandeer the hosts, steal sensitive information, and even sell the access to other attackers. ![]() In an alternative variant of the campaign, the shortcut files are employed to run PowerShell scripts, which, in turn, download additional payloads in the background, while displaying a decoy PDF document to deceive victims. Should a victim click on one of the shortcut files, it leads to the execution of a rogue dynamic-link library (DLL) using the regsvr32.exe utility. As a result, the user is more likely to open the file, assuming it is from their own system, and unknowingly execute malicious code." "This smart technique conceals the fact that the user is being provided with remote files and gives the user the illusion of trust. It's worth noting that clicking on the link also generates a warning "Open Windows Explorer?," approving which "the search results of remotely hosted malicious shortcut files are displayed in Windows Explorer disguised as PDFs or other trusted icons, just like local search results," the researchers explained. ![]() This triggers the execution of JavaScript that makes use of the URI protocol handlers to perform searches on an attacker-controlled server. ![]() In such attacks, threat actors have been observed creating deceptive emails that embed hyperlinks or HTML attachments containing a URL that redirects users to compromised websites. "This technique has even been extended to HTML attachments, expanding the attack surface." "Attackers are directing users to websites that exploit the 'search-ms' functionality using JavaScript hosted on the page," security researchers Mathanraj Thangaraju and Sijo Jacob said in a Thursday write-up. The novel attack technique, per Trellix, takes advantage of the " search-ms:" URI protocol handler, which offers the ability for applications and HTML links to launch custom local searches on a device, and the " search:" application protocol, a mechanism for calling the desktop search application on Windows. A legitimate Windows search feature is being exploited by unknown malicious actors to download arbitrary payloads from remote servers and compromise targeted systems with remote access trojans such as AsyncRAT and Remcos RAT. ![]()
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