Should I block it?

No, this file is 100% safe to run.

Additional versions

6.3.9600.16384 (winblue_rtm.130821-1623)	6.96%
6.2.9200.16384 (win8_rtm.120725-1247)	16.52%
6.2.9200.16384 (win8_rtm.120725-1247)	2.61%
6.2.8400.0 (winmain_win8rc.120518-1423)	0.87%
6.1.7600.16385 (win7_rtm.090713-1255)	6.09%
6.1.7600.16385 (win7_rtm.090713-1255)	15.65%
6.1.7600.16385 (win7_rtm.090713-1255)	4.35%
6.1.7600.16385 (win7_rtm.090713-1255)	33.91%
6.0.6000.16386 (vista_rtm.061101-2205)	8.70%
6.0.6000.16386 (vista_rtm.061101-2205)	2.61%
6.0.5308.17 (winmain_idx01.060217-2200)	1.74%

Relationships

Parent process

winlogon.exe (Windows Logon Application by Microsoft)

Related files

PE file structure

Show functions

Import table

advapi32.dll

RegCloseKey, RegQueryValueExW, RegOpenKeyExW, RegCreateKeyExW, RegQueryValueExA, RegOpenKeyExA

comctl32.dll

InitCommonControlsEx

d3d9.dll

Direct3DCreate9

gdi32.dll

SelectObject, CreateBitmap, CreateCompatibleDC, GetStockObject, GetDIBits, SetBkColor, SetTextColor, BitBlt, DeleteObject, DeleteDC, ExcludeClipRect, CreateFontW, GetDeviceCaps

kernel32.dll

GetTickCount, QueryPerformanceFrequency, GetCommandLineW, MulDiv, GetModuleHandleW, FindResourceW, SizeofResource, InterlockedExchange, InterlockedCompareExchange, GetStartupInfoA, SetUnhandledExceptionFilter, GetModuleHandleA, QueryPerformanceCounter, GetCurrentThreadId, GetCurrentProcessId, GetSystemTimeAsFileTime, TerminateProcess, GetCurrentProcess, UnhandledExceptionFilter, GetSystemInfo, GetVersionExA, IsProcessorFeaturePresent, GetProcAddress, OutputDebugStringA, MultiByteToWideChar, InitializeCriticalSection, DeleteCriticalSection, Sleep, LockResource, LoadResource

msvcrt.dll

DllMain

ole32.dll

CoInitializeEx, CoUninitialize

user32.dll

PostQuitMessage, DispatchMessageW, TranslateMessage, GetMessageW, PostMessageW, DefWindowProcW, KillTimer, SetTimer, EndPaint, BeginPaint, SetCursor, UnionRect, SetWindowPos, FillRect, SystemParametersInfoW, DrawTextW, ScreenToClient, InvalidateRect, UpdateWindow, SetRect, LoadCursorW, LoadIconW, RegisterClassW, AdjustWindowRect, CreateWindowExW, GetClientRect, EnumDisplaySettingsW, IntersectRect, OffsetRect, LoadStringW, GetDC, EnumDisplayMonitors, PeekMessageW, SystemParametersInfoA, GetSystemMetrics, GetWindowRect, GetWindowPlacement, IsIconic, SetRectEmpty, MessageBoxW

winmm.dll

timeGetTime

bubbles.scr

Bubbles Screen Saver by Microsoft

Remove bubbles.scr

Version:	6.1.7600.16385 (win7_rtm.090713-1255)
MD5:	39762030fff791e031c86afb4223652f
SHA1:	3f0fb37ce6a34243877ebfef3677b2e0c3792304
SHA256:	66cadaf4898404567261a63fe710de8d1a3d825060ac5decc424ed88cfbcb924

This is a Windows system installed file with Windows File Protection (WFP) enabled.

What is bubbles.scr?

Bubbles Screen Saver is a default Windows screen saver automatically installed with Windows.

Overview

bubbles.scr executes as a process with the local user's privileges typically within the context of its parent winlogon.exe (Windows Logon Application by Microsoft). The assembly utilizes the .NET run-time framework (which is required to be installed on the PC). This version is designed to run on Windows 7 and is compiled as a 64 bit program.

Details

File name:	bubbles.scr
Publisher:	Microsoft Corporation
Product name:	Bubbles Screen Saver
Description:	Microsoft® Windows® Operating System
Typical file path:	C:\Windows\System32\bubbles.scr
Original name:	Bubbles
File version:	6.1.7600.16385 (win7_rtm.090713-1255)
Product version:	6.1.7600.16385
Size:	878.5 KB (899,584 bytes)
Digital DNA
File packed:	No
Code language:	Microsoft Visual C# / Basic .NET
.NET CLR:	Yes
.NET NGENed:	No

More details

Behaviors

Screensaver

bubbles.scr

Resource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)

Averages

CPU
Total CPU:	0.00727167%	0.028634%
Kernel CPU:	0.00413491%	0.013761%
User CPU:	0.00313676%	0.014873%
Kernel CPU time:	35,440 ms/min	100,923,805ms/min
CPU cycles:	7,419,148/sec	17,470,203/sec
Memory
Private memory:	37.99 MB	21.59 MB
Private (maximum):	22.48 MB
Private (minimum):	15.91 MB
Non-paged memory:	37.99 MB	21.59 MB
Virtual memory:	98.18 MB	140.96 MB
Virtual memory (peak):	104.46 MB	169.69 MB
Working set:	16.01 MB	18.61 MB
Working set (peak):	23.6 MB	37.95 MB
Page faults:	9,834/min	2,039/min
I/O
I/O read transfer:	902 Bytes/sec	1.02 MB/min
I/O read operations:	4/sec	343/min
I/O other transfer:	208 Bytes/sec	448.09 KB/min
I/O other operations:	4/sec	1,671/min
Resource allocations
Threads:	3	12
Handles:	62	600
GUI GDI count:	16	103
GUI GDI peak:	18	142
GUI USER count:	4	49
GUI USER peak:	4	71

Process properties

Integrety level:	Medium
Platform:	64-bit
Command line:	C:\Windows\System32\bubbles.scr /s
Owner:	User
Parent process:	winlogon.exe (Windows Logon Application by Microsoft)

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