bitcoin

Thu
06
Sep
John Lister's picture

New Firefox to Block Unwanted Tracking, Cryptojacking

Firefox is getting a series of updates to boost performance, privacy and usability. Unwanted tracking tools and browser hijackers are among the targets of security updates. Two of the biggest measures deal with websites that track user activity ... online, potentially to make site content more relevant, but more commonly to deliver targeted advertising. Version 63 of Firefox, due in September, will by default block ad trackers if they take a particularly long time to load, in turn making pages slow to appear. This setting is purely to do with the load time of the tracker rather than what it ... (view more)

Mon
20
Aug
Dennis Faas's picture

Samsung: Smartphones Most Secure for Cryptocurrencies

Samsung Provokes Debate with Claims that Smartphones Are The Most Secure for Cryptocurrencies Last month, leading Samsung author Joel Snyder penned a blog post in which he made the bold assertion that smartphones encompass the best security for ... owning, trading and managing cryptocurrency. He put this down to the Trusted Execution Environments (TEEs) in which smartphones, and particularly those developed by Samsung, operate. A trusted execution environment (TEE) is a secure area of a processor found on smartphones (not PCs), originally developed in 2010 by Open Mobile Terminal Platform ... (view more)

Wed
01
Aug
John Lister's picture

Google Bans Apps That Hijack Device Resources

Google is to ban several categories of apps from its app store. They include so-called "cryptomining" apps that can suck up a resources from a device for somebody else's financial benefits. The changes come in the latest update of the Play Store ... Developer Policy. The relevant apps will no longer be available through the official Play Store, meaning that although users can still install them, they'll get much less prominence and exposure. The ban is specifically on apps that use a device's processor for mining cryptocurrencies. In very simple terms, mining involves computers racing to solve a ... (view more)

Tue
03
Apr
John Lister's picture

Google Cracks Down On Cryptomining Scams

Google is banning Chrome browser tools that harness a computer's power to 'mine' virtual online currencies for a third party. It seems Google gave up trying to distinguish between different levels of legitimacy in such set-ups. The whole concept of ... "cryptomining" using a web browser may seem baffling to many users. In the simplest terms, the cryptomining program could automatically load when visiting a particular web page or would always remain active (if it was through a browser extension). The users' computer would then "mine" (using mathematical equations) until a ... (view more)

Thu
15
Feb
John Lister's picture

Thousands of Sites Hit By 'Cryptojacking' Scam

Visitors to more than 5,000 websites had their computers hijacked to earn money for scammers. But the attack would have earned them less than $25 - and they aren't getting paid anyway. The attack involved compromising screen reader software called ... BrowseAloud. Websites can add the software to their site to make it easier for visitors with vision problems to browse the pages. Because the software is so widely used, compromising it was an effective way to reach a large number of computers - regardless of whether the owners needed to use a screen reader. The software is particularly popular ... (view more)

Wed
23
Aug
John Lister's picture

New Malware uses PC Power to Make Cash

Hackers could use your computer to literally make money. That's thanks to an unusual malware attack that doesn't involve any files, making it harder to detect. The "Coinminer malware" takes advantage of a Windows and browser bug nicknamed Eternal ... Blue. That's the same bug that was exploited in several high-profile ransomware attacks recently . While Microsoft has issued updates, it seems some users haven't installed the security patches. Malware Runs Inside Memory One big problem with the Coinminer malware is that it works in the computer's memory, rather than as ... (view more)

Mon
31
Jul
Dennis Faas's picture

How to Fix: Remove SystemTask.exe / SystemTaskInfo.exe Virus (100% CPU Usage)

Infopackets Reader Michael B. writes: " Dear Dennis, Thank you so much for helping me to patch my Windows 2003 Server against the SMB attacks and for removing Windows_Update.exe virus a few weeks back . A have yet another problem that is causing ... high CPU usage! In Task Manager of Windows Server 2003, I see two processes that are eating 50% of my CPU each, namely: SystemTask.exe and SystemTaskInfo.exe . If I try and delete either process, it simply comes back and starts eating my CPU again, which makes everything else on the server painfully slow. Can you please help? " My response: I asked ... (view more)

Mon
26
Jun
Dennis Faas's picture

How to Fix: Remove Update_Windows.exe / Update.exe Virus (100% CPU Usage)

Infopackets Reader Mike B. writes: " Dear Dennis, I run a Windows Server 2003 box that has been fine until two days ago. Now, my CPU usage is 100% with multiple 'Update_Windows.exe' processes running. I've deleted the Update_Windows.exe tasks in ... Task Manager, but it keeps propagating. I did a virus scan, but it did not find anything; Malwarebytes antimalware also is not reporting anything. Prior to the infection, I installed the emergency May 2017 update to avoid the Windows SMB exploit / WannaCry ransomware infection . I understand Windows Server 2003 is no longer supported by Microsoft and ... (view more)

Tue
19
Jul
John Lister's picture

'Lazy' Ransomware Deletes Every File in Sight

Is there fair play amongst ransomware scammers? A particularly lazy variant of "ransomware" is making its rounds, though researchers say that paying up will never pay off. For the most part, ransomware usually involves a nasty malware program ... encrypting files on a PC, followed by a promise of a decryption key - but only if the victim pays a ransom. It would make sense that if people stopped believing this would happen, they would stop handing over the cash. Files Deleted Rather Than Encrypted Now security company Talos has spotted a variant where there's absolutely no prospect ... (view more)

Tue
27
Jan
John Lister's picture

Financial Regulators May Oversee Bitcoin

Two Facebook millionaires want US officials to regulate an exchange for buying and selling the controversial "cryptocurrency" Bitcoin. The move follows a scandal when the largest such exchange in Japan went out of business . The Bitcoin currency ... isn't issued by any government or backed by any assets. Instead, each new unit of the currency is created when a computer successfully solves what's effectively a puzzle designed to slowly increase the amount of Bitcoins in circulation. Every time one user pays a Bitcoin to another, a publicly available ledger of transactions is ... (view more)

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