Adobe Acrobat may be quietly sabotaging your antivirus

Adobe Acrobat may be quietly sabotaging your antivirus

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It seems that Adobe Acrobat is blocking astir antivirus software (opens successful caller tab) from scanning PDF files astatine launch, putting users astatine risk.

The contented was archetypal identified by cybersecurity researchers from Minerva Labs. As reported by BleepingComputer, Minerva spotted Adobe Acrobat scanning for DLL files from 30 information products, to spot if they’re loaded into representation portion it’s active. These products besides see the industry’s dense hitters, specified arsenic Bitdefender, Avast, Trend Micro, Symantec, Malwarebytes, ESET, Kaspersky, F-Secure, Sophos, and Emsisoft. 

If it finds any, it “most likely” blocks them, preventing immoderate monitoring activity, the study states.

A known issue

“Since March of 2022 we’ve seen a gradual uptick successful Adobe Acrobat Reader processes attempting to query which information merchandise DLLs are loaded into it by acquiring a grip of the DLL,” Minerva Labs explained. 

Bleeping Computer besides recovered a idiosyncratic ailment connected the Citrix forum, saying Sophos’ Antivirus started getting errors aft an Adobe merchandise was installed, and that the institution suggested disabling DLL-injection for Acrobat and Reader.

“We are alert of reports that immoderate DLLs from information tools are incompatible with Adobe Acrobat’s usage of CEF, a Chromium based motor with a restricted sandbox design, and whitethorn origin stableness issues,” wrote Adobe, successful effect to complaints. 

At the moment, it’s moving connected a fix, to “ensure due functionality with Acrobat's CEF sandbox plan going forward.”

According to Minerva Labs, betwixt compatibility issues and disabling antivirus solutions, Adobe chose the latter, putting its users astatine existent hazard of malware (opens successful caller tab), ransomware (opens successful caller tab), and different nasties lurking successful the depths of the internet.

PDF files are known to person been utilized by menace actors successful the past. Only recently, researchers spotted a run that uses PDF files, done which malicious Word files were being distributed to people endpoints. 

Via BleepingComputer (opens successful caller tab)

Sead Fadilpašić

Sead is simply a seasoned freelance writer based successful Sarajevo, Bosnia and Herzegovina. He writes astir IT (cloud, IoT, 5G, VPN) and cybersecurity (ransomware, information breaches, laws and regulations). In his career, spanning much than a decade, he’s written for galore media outlets, including Al Jazeera Balkans. He’s besides held respective modules connected contented penning for Represent Communications.