MDSpamD.exe会建立pdk-system的文件夹吗？

xtwwz

检查系统时，发现系统临时文件夹中有个pdk-system的文件夹，里面的文件清单如下：
发现这些dll文件是被MDSpamD.exe所调用。

想问一下，这种情况是正常的吗？会不会是病毒？你们的MDaemon系统中有没有同样的文件夹存在？

C:\temp\pdk-system
│  03b5e524701b95f782005d567d9de8f9.dll
│  04aaed0c4ab04791dc4e497c377d373b.dll
│  0aa5625c2222dd2963805d841e9e568b.dll
│  0b1a35256e897f33b9748ab0b6d0033d.dll
│  160b72d6dfb373f0209ca38a48bd348a.dll
│  222b2cd286d7221e4a55e436c190dd48.dll
│  28e3b3c92d9d2a4e693dcf4167d15435.dll
│  2ccfaf7bb3a4cf27fd33fe6d3bb6e380.dll
│  353910329d0410f90709321989f5da58.dll
│  357af40fd6d574c27afd05c86269f82b.dll
│  38ef4e4ee11476ccc691137589cfffb6.dll
│  41aee7954778794bd4714ea7448138b2.dll
│  447fb48712dd486a9cd82c51b98d23f0.dll
│  50950b5b470c0d52ac0033d613e39f91.dll
│  928eff5d1bf763abff3068620c0b86b8.dll
│  93e87ef6c56dffc312be353e105d2794.dll
│  97a2e6443b947d806decd51d47431523.dll
│  bd861f3e03052af93272c100d252f5e2.dll
│  dad8a2781d545b007729f2cb48fd26bf.dll
│  e45711c2662171c15cd763238e7b579b.dll
│  ec88994dca352281e37972313e1051d3.dll
│  ecefdc6daba859e2c7e17fc15ad129ff.dll
│  fabb8899d82671db2035759037c5c21d.dll
│  fad7d9bdcd042a0ca67ef6f21642f990.dll
│  fdd245dad343408ec5c5ce822278a3ef.dll
│  
└─aa33d263ba8b3dd9f60e51317caf233f
        perl58.dll