First of all, remove all overclocking, this is very important because overclocking pushes the component what may causes problems when a system is unstable.
Please make sure that you update your BIOS to version 1501.
I looked through the events gathering data about the crashes, because it appears some crashes didn't save a minidump.
There is a 0x7A, 0x101, 2 0x1A and a 0x9C.
I mention these because these are known as hardware crashes, unfortunately I won't get much out of the dumps about specific data for some components because the mssmbios.sys isn't loaded.
This is the reason why I ask for more details about your hardware via CPU-Z below.
sysinfo: could not find necessary interfaces.
sysinfo: note that mssmbios.sys must be loaded (XPSP2+).
Another suggestion is to temporary remove Avast and use Windows Defender as alternative
Please run CPU-Z | Softwares | CPUID, open it and make screenshots of the following tabs
0: kd> k
# Child-SP RetAddr Call Site
00 ffffd000`3da4a248 fffff803`819de2e9 nt!KeBugCheckEx
01 ffffd000`3da4a250 fffff803`819ddbfc nt!KiBugCheckDispatch+0x69
02 ffffd000`3da4a390 fffff803`819d980d nt!KiSystemServiceHandler+0x7c
03 ffffd000`3da4a3d0 fffff803`81896139 nt!RtlpExecuteHandlerForException+0xd
04 ffffd000`3da4a400 fffff803`818945a8 nt!RtlDispatchException+0x429
05 ffffd000`3da4ab00 fffff803`819de3c2 nt!KiDispatchException+0x144
06 ffffd000`3da4b1e0 fffff803`819dcaa1 nt!KiExceptionDispatch+0xc2
07 ffffd000`3da4b3c0 fffff803`81905a14 nt!KiPageFault+0x221
08 ffffd000`3da4b550 fffff803`81cb56ee nt!RtlEqualSid+0x4
09 ffffd000`3da4b580 fffff803`81cb5424 nt!PsOpenProcess+0x2be
0a ffffd000`3da4b8b0 fffff800`5442b0a3 nt!NtOpenProcess+0x24
0b ffffd000`3da4b8f0 00000000`00002190 aswSnx+0x2b0a3
0c ffffd000`3da4b8f8 ffffd000`3da4ba80 0x2190
0d ffffd000`3da4b900 ffffd000`3da4b9a8 0xffffd000`3da4ba80
0e ffffd000`3da4b908 00000000`00e6dfc8 0xffffd000`3da4b9a8
0f ffffd000`3da4b910 00000000`00000000 0xe6dfc8
*SPD shows the details of each module, you can show the details by choosing different slots in the left upper corner.
Please make screenshots of each module.
Please post each screenshot in your next reply/replies.