Given that Kaspersky has provided infection details based on data collected by its security products only, the total number of new QBot infections might be much higher. “Corporate users can be either one in a particular organization or several in one and we cannot tell the exact number of impacted organizations in this case either,” Vlasova noted. Durante la limpieza, tambin se eliminan los archivos maliciosos ocultos en el sistema. El software elimina archivos temporales que ocupan mucho espacio en disco y claves del registro de Windows no vlidas. Kaspersky could not confirm the number of potentially impacted organizations and the industries that have been affected the most in this campaign. Malware de CCleaner CCleaner es un programa de servicios diseado para eliminar archivos no deseados de un ordenador. “Employees should be especially careful now when communicating in business correspondence so as not to accidentally open a malicious file with Qbot,” Vlasova points out. Out of a total of 220 victims in the United States, 95 are corporate users, potentially exposing their organizations to further malicious activity, including the distribution of ransomware and other malware families. More than half of the new victims are corporate users, Vlasova says.Īccording to the security researcher, the United States, Italy, Germany, and India are the countries targeted the most in this new campaign. “Qbot steals email archives from infected devices and uses the stolen emails for subsequent mailings, with the acquired information being used to lure victims into opening those emails,” Kaspersky senior security researcher Victoria Vlasova explained in a conversation with SecurityWeek.īetween September 28 and October 7, Kaspersky observed close to 1,800 users being infected with QBot worldwide. Bei der Bereinigung werden auch schädliche Dateien im System gelöscht. Die Software beseitigt temporäre Dateien, die unnötig Speicherplatz belegen, sowie ungültige Windows-Registrierungsschlüssel. Since 2020, one of the main infection methods employed by QBot’s operators has been the hijacking of email threads, a technique that has been used in multiple waves of attacks and which remains successful even today. CCleaner es un programa de servicios diseñado para eliminar archivos no deseados de un ordenador. CCleaner ist ein Dienstprogramm, das dafür entwickelt wurde, unerwünschte Dateien von Computern zu löschen. More than 800 corporate users have been infected in a new QBot malware distribution campaign since September 28, Kaspersky warns.Īlso known as Qakbot and Pinkslipbot, QBot is an information stealer with backdoor and self-spreading capabilities that has been around since 2009 and which is often used as the initial infection vector in malicious attacks.Įarlier this year, QBot was distributed in attacks exploiting Follina, a Microsoft Support Diagnostic Tool (MSDT) vulnerability tracked as CVE-2022-30190, which leads to remote code execution.
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