vsserv.exe runs as a service under the name TELUS security services Virus Shield (VSSERV) with extensive SYSTEM privileges (full administrator access). The file is digitally signed by Bitdefender SRL which was issued by the VeriSign certificate authority (CA). This particular version is usually found on Windows 8.1 (6.2.9200.0).

CPU
Total CPU:	0.00036477%	0.028634%
Kernel CPU:	0.00035912%	0.013761%
User CPU:	0.00000565%	0.014873%
Kernel CPU time:	54,188 ms/min	100,923,805ms/min
CPU cycles:	20,455,894/sec	17,470,203/sec
Memory
Private memory:	198.67 MB	21.59 MB
Private (maximum):	98.23 MB
Private (minimum):	2.98 MB
Non-paged memory:	198.67 MB	21.59 MB
Virtual memory:	735.64 MB	140.96 MB
Virtual memory (peak):	1.49 GB	169.69 MB
Working set:	81.09 MB	18.61 MB
Working set (peak):	219 MB	37.95 MB
I/O
I/O read transfer:	2.36 MB/sec	1.02 MB/min
I/O read operations:	150/sec	343/min
I/O write transfer:	301.66 KB/sec	274.99 KB/min
I/O write operations:	118/sec	227/min
I/O other transfer:	175.67 KB/sec	448.09 KB/min
I/O other operations:	909/sec	1,671/min
Resource allocations
Threads:	80	12
Handles:	1833	600

apprep.dll (Bitdefender Security by Bitdefender)
Total CPU:	0.06948983%	0.272967%
Kernel CPU:	0.01894322%	0.107585%
User CPU:	0.05054662%	0.165382%
CPU cycles:	2,517,079/sec	5,741,424/sec
Memory:	224 KB	1.16 MB
gzfltum.dll (BitDefender by BitDefender)
Total CPU:	0.02642433%
Kernel CPU:	0.00327309%
User CPU:	0.02315124%
CPU cycles:	977,422/sec
Memory:	84 KB
bdpredir.dll (BitDefender Firewall by BitDefender)
Total CPU:	0.00866942%
Kernel CPU:	0.00192497%
User CPU:	0.00674445%
CPU cycles:	333,980/sec
Memory:	112 KB
sechost.dll
Total CPU:	0.00607114%
Kernel CPU:	0.00169427%
User CPU:	0.00437687%
CPU cycles:	219,615/sec
Memory:	348 KB
framework.dll (Bitdefender 2013 by Bitdefender)
Total CPU:	0.00546855%
Kernel CPU:	0.00482236%
User CPU:	0.00064620%
CPU cycles:	400,716/sec
Memory:	188 KB
bdfwcore.dll (BitDefender Firewall)
Total CPU:	0.00200023%
Kernel CPU:	0.00032945%
User CPU:	0.00167078%
CPU cycles:	67,720/sec
Memory:	168 KB
serverpush.dll (Bitdefender 2013 by Bitdefender)
Total CPU:	0.00164733%
Kernel CPU:	0.00122373%
User CPU:	0.00042360%
CPU cycles:	49,775/sec
Memory:	164 KB
npcomm.dll (BitDefender 16 by BitDefender LLC)
Total CPU:	0.00021178%
Kernel CPU:	0.00017649%
User CPU:	0.00003530%
CPU cycles:	117,744/sec
Memory:	136 KB
loggeral.dll (Bitdefender 2013 by Bitdefender)
Total CPU:	0.00018827%
Kernel CPU:	0.00018827%
User CPU:	0.00000000%
CPU cycles:	17,716/sec
Memory:	88 KB
avccore.dll (BitDefender AntiVirus by BitDefender S.R.L. Bucharest, ROMANIA)
Total CPU:	0.00017355%
Kernel CPU:	0.00012648%
User CPU:	0.00004706%
CPU cycles:	7,662/sec
Memory:	364 KB
msvcr100.dll (Microsoft Visual Studio 2010 by Microsoft)
Total CPU:	0.00014120%
Kernel CPU:	0.00000000%
User CPU:	0.00014120%
CPU cycles:	20,358/sec
Memory:	840 KB
ondemandal.dll (Bitdefender Security by Bitdefender)
Total CPU:	0.00008566%
Kernel CPU:	0.00004904%
User CPU:	0.00003662%
CPU cycles:	792/sec
Memory:	3.09 MB