This type of scan can be useful if we suspect that our PC is infected by a hidden virus, but on the other hand, neither the quick or full scan modes fail to detect anything. This scan is done from outside the Windows kernel, in order to find malware that tries to bypass the Windows Shell, something that occurs with viruses that infect the master boot record (MBR). The offline scan is an effective tool that detects viruses offline, as the scan is performed from a trusted environment and without having started the operating system. Offline scan, scans for hidden viruses at startup Its use must be based on our being very sure that a malicious file is negatively affecting our system and we have enough time to carry out the task. Since a quick scan coupled with active real-time protection should be sufficient to keep you safe from any malware, frequent full scans or scheduling in advance is not recommended.
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