A typical user would not uncheck boxes which are pre-checked by default and would not examine advanced installation options. However, their publishers conceal unwanted and dangerous contents in their download and installation routines.
The programs in question themselves are fairly legit and offer true functionality that their users appreciate. These methods are not quite illegal, but IT security tends to consider them as infection vectors.Įxamples of such infiltration scheme include the installation of freeware, in particular, Adobe Flash Player updates, FileZilla, MPlayerX, 7 zip from unverified publishers. They deploy massive propagation campaigns exploiting drive-by downloads and similar schemes. Vendors of Mac Cleaner do not expect many, if any, users installing their product deliberately.