205e1 34.43%
3a2e8 25.14%
19e83 4.37%
3a2bd 12.57%
1713d 5.46%
0e01d 3.83%
681da 1.09%
83188 5.46%
a1dd3 7.10%
c183b 0.55%
(Note, Even Balance publishes each variation of this file with the same version, but the hashes are unique.)



By Even Balance (Signed)

Remove pnkbstra.exe
Warning 3 antivirus scanners has detected malware in various versions of pnkbstra.exe.


pnkbstra.exe has 10 known versions, the most recent one is . It is started as a Windows Service with the name 'PnkBstrA' and described as “PunkBuster Service Component [v1029]”. . The average file size is about 70.28 KB. It is an authenticode code-signed executable issued to Even Balance by the certification authority VeriSign. The programs ET Pack, Medal of Honor Airborne and Medal of Honor: Airborne have been observed as installing specific variations of pnkbstra.exe. During the process's lifecycle, the typical CPU resource utilization is about 0.0006% including both foreground and background operations, the average private memory consumption is about 1.81 MB with the maximum memory reaching around 4.02 MB. Addionally, typically read and write I/O disk operations is about 2.15 KB per minute for reads and 512 Bytes per minute for writes.


File name:pnkbstra.exe
Typical file path:C:\windows\syswow64\pnkbstra.exe
Issued to:Even Balance
Authority (CA):VeriSign
Effective date:Sunday, July 1, 2012
Windows Service
Service name:PnkBstrA
Description:“PunkBuster Service Component [v1029]”

ResourcesPrograms installed in

(Note, the programs listed below are for all versions of pnkbstra.exe.)
8% remove
Electronic Arts
9% remove
Medal of Honor Airborne is a video game distributed through EA's Origin digital distribution and digital rights management content delivery system.
Electronic Arts
3% remove
Need for Speed: Undercover is the 12th installment of the popular racing video game series Need for Speed, developed by EA Black Box and published by Electronic Arts (EA). Undercover features a new op...
Electronic Arts
5% remove
Need for Speed ProStreet is a video game distributed through EA's Origin digital distribution and digital rights management content delivery system.
Electronic Arts
12% remove
Medal of Honor Airborne is a video game distributed through EA's Origin digital distribution and digital rights management content delivery system.


(Note, the behaviors below are for all versions of pnkbstra.exe, select a unique version for details.)
Runs under 'SYSTEM\CurrentControlSet\Services' by the Service Controller (services.exe)
  • 'PnkBstrA'
Windows firewall allowed programs
Exceptions allow programs to access to the Internet through an outbound connections
  • Firewall exception for 'C:\WINDOWS\system32\PnkBstrA.exe'
  • Firewall exception for 'C:\WINDOWS\system32\PnkBstrA.exe'

MalwareMalware detections

Based on 40+ industry antivirus scanners, 3 of them detected the following malware.
Antivirus engineEngine versionDetectionFile version
AhnLab V3 Internet Security 2013.03.02 Win-Trojan/Fakeav.66872 0e01d7eebada0b324db0ca1ee73440ba
Clam AntiVirus Win.Trojan.Agent-249223 3a2bdd76e7d2a5f40a7174793d1ba794
eSafe Win32.Banker 831883b107684301f48ace752c963984

VersionsAll file variations of pnkbstra.exe

MD5SHA-1File size
205e1b699fd3f2f9b036eea2ec30c620 fcadc0ec2d8cb74802358b002efe412896cd1485 75.09 KB
3a2e85f7d90d15460c337ce80c2e3b29 0360be046d9c6dc2361580de65e22409656a7a33 75.09 KB
19e83b09ab8ee1d837665da941e2ac44 8343d982ba8bdb1fb6c23764b1ce0709eb39c89d 65.3 KB
3a2bdd76e7d2a5f40a7174793d1ba794 687353237c3d31300f33946b136afb916c2019e2 73.38 KB
1713d9de407313138118d501b0e3c05b b514fabeec89ddbef5576c96b24e724f4dcb25f9 73.38 KB
0e01d7eebada0b324db0ca1ee73440ba 06f5ca76f422aaecf985ceae24a3788c87a3aea4 65.3 KB
681da309716aeb98bc901d7a0458d931 b48b3f61a27d70e0dc996ff3bb4e99c84c7f41e6 75.09 KB
831883b107684301f48ace752c963984 c3c4cb668c12cd267e6cf56e35ca3b29c768a71c 65.3 KB
a1dd33d16f277ce34124ee52ab2c0f14 d2c04d9061d37c71e8daa8306634665d62c437fb 73.3 KB
c183b7e8c4dd96af66d7ace48d2d9b05 e344488c9f1f3aec1b9878ec30820cb99c56f129 61.56 KB

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 28.89%
Windows 7 Ultimate 24.44%
Microsoft Windows XP 12.78%
Windows 7 Professional 7.78%
Windows 8 Pro 5.00%
Windows 7 Home Basic 3.89%
Windows Vista Home Premium 3.89%
Windows 8 3.33%
Windows 8.1 Pro 2.22%
Windows Vista Home Basic 2.22%
Windows 8 Pro with Media Center 1.67%
Windows Developer Preview 1.11%
Windows Vista Business 1.11%
Windows 8.1 0.56%
Windows 7 Enterprise 0.56%
Windows Vista Ultimate 0.56%

Distribution by countryDistribution by country

United States installs about 22.78% of pnkbstra.exe.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
ASUS 16.42%
Hewlett-Packard 12.69%
Acer 11.94%
Dell 10.45%
Lenovo 10.45%
Toshiba 7.46%
Sony 5.97%
MSI 5.97%
Samsung 2.99%
Gateway 2.99%
American Megatrends 1.49%
Intel 1.49%
Alienware 1.49%
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