unable to load process monitor device driver procmon appv 5

UNABLE TO LOAD PROCESS MONITOR DEVICE DRIVER PROCMON APPV 5 SOFTWARE

The System Provider is the default provider on Windows, currently implemented as a software provider. There are two main types of providers: “ Hardware Providers” and “ Software Providers”.Ī diagram of VSS architecture that illustrates the components and their relationships can be seen in Figure 1.įigure 1: General architecture diagram from MSDN The System Provider VSS Providers: These components create and maintain the actual shadow copies objects. Windows has a long list of “ In-Box VSS Writers” for various software components. VSS Writers: These components are responsible for supplying a steady pipeline of data to be backed up by the service. VSS is implemented using COM ( Component Object Model) technology, which the reader should have basic familiarity with for the latter parts of this article.

Volume Shadow Copy Service (VSS): The service is responsible for orchestrating all actions between the entities that perform shadow copy-related operations, such as the relevant writers and providers. VSS Architectureīefore we get started, there are several important elements readers should be familiar with regards to a Volume Shadow Copy architecture. Sharing these methods will allow defenders to deploy appropriate detections for these potential future techniques, as it’s only a matter of time before we’ll encounter them in the wild. Additionally, we expose new methods that can potentially be used by ransomware. Now, we will review the existing methods that used by ransomwares to delete shadow copies in order to give defenders a recap of the techniques they need to protect themselves and their digital resources.

shadow copies), thereby preventing victims from being able to recover any files that had been encrypted. To be extremely effective, a common action carried out by ransomware is to erase volume backups (i.e. Ransomware has been a dominant threat to organizations for several years now, causing unparalleled damage estimated in the billions of dollars.

Unable to load process monitor device driver procmon appv 5