Trojans are malicious programs that can cause chain infections by installing other software of this kind.
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When users download and open (execute) the files, however, they inadvertently install malware.įake software updating tools cause damage by installing malware rather than updates/fixes for installed software, or by exploiting bugs/flaws of outdated software. These are used to distribute malicious files by disguising them as legitimate and regular.
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If the documents are opened with MS Office versions prior to 2010, however, the documents install malicious software automatically, since these older versions do not include "Protected View" mode.Įxamples of untrusted file and software download sources are Peer-to-Peer networks (torrent clients), free file hosting websites, freeware download sites, and unofficial web pages. Note that malicious MS Office documents can install malware only when users enable editing/content (macros commands).
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Cyber criminals usually attach a Microsoft Office document, archive file (ZIP, RAR), PDF document, executable file (.exe) or JavaScript file, and wait until recipients open it. Their main goal is to trick recipients into executing the file, which then infects the computer with malware. Using malspam, criminals send emails that have a malicious file attached, or include a website link designed to download a malicious file. Ransomware and other malware infections are commonly spread through malspam campaigns, untrusted file/software download sources, fake (third party) software updating tools, Trojans and unofficial software activation tools. As mentioned, the app called Ultra Clear mines Bitcoin. The only main difference between these miners is the cryptocurrency they are designed to mine. They are used for the same purpose: to mine cryptocurrency using computer resources. Combo Cleaner is owned and operated by Rcs Lt, the parent company of read more.īird Miner and LoudMiner are two examples of other cryptomining malware programs. To use full-featured product, you have to purchase a license for Combo Cleaner.
Our security researchers recommend using Combo Cleaner. To eliminate possible malware infections, scan your Mac with legitimate antivirus software. Hardware overheat, system crashes, slow computer performance, higher electricity bills Shady websites, infected email attachments, malicious online advertisements, social engineering, software 'cracks'. High CPU, GPU (or other hardware) usage, unexpected shutdowns, system crashes
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Threat Summary: NameĪvast (MacOS:BitCoinMiner-BT ), BitDefender (Gen.6), Emsisoft (Gen.6 (B)), Kaspersky (Not-a-virus:HEUR:), Full List ( VirusTotal)Īvast (MacOS:BitCoinMiner-BT ), BitDefender (Gen.6), ESET-NOD32 (A Variant Of OSX/CoinMiner.AU Potentially Unwanted), Kaspersky (Not-a-virus:HEUR:), Full List ( VirusTotal) If a miner has been installed on the operating system unintentionally, remove it immediately. Only the cyber criminals who successfully trick users into installing cryptocurrency miners benefit from this process. Therefore, users of computers that are infected with cryptomining malware like Ultra Clear receive higher electricity bills. The mining process also causes increased power consumption. Typically, cryptocurrency mining significantly affects computer performance, which could result in system crashes, hardware overheating, and other issues. In this way, cryptocurrency-mining malware like Ultra Clear exploits infected computers to perform this task. In this example, a fake app called Ultra Clear mimics a cryptocurrency wallet manager but, in fact, it employs users' computer hardware to mine cryptocurrency.Ĭryptocurrency mining is a computationally intensive task that uses a computer's processor, graphics card, and other hardware. There are many fake applications that mimic the look and/or functionality of legitimate apps and, once installed, perform malicious actions (e.g., generate advertisements, collect sensitive data). What is Bitcoin cryptocurrency-mining malware?