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pcsunotifier.exe

Speedchecker Ltd

This is the Performersoft setup installer. The application pcsunotifier.exe by Speedchecker has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the InstallBrain installer. It is set to automatically start when a user logs into Windows via the current user run registry key under the display name ‘PCSpeedUp’.
Publisher:
Speedchecker Ltd  (signed and verified)

MD5:
7df67e7ea696efd9ade73daa5b5a057d

SHA-1:
abe1f0505322a8865dc456fb08c3ce4037eea6b9

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
4/23/2024 5:55:24 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Performersoft (M)
16.10.28.18

File size:
183.2 KB (187,616 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
InstallBrain

Common path:
C:\Program Files\przyspiesz komputer\pcsunotifier.exe

Digital Signature
Signed by:
Speedchecker Ltd

Authority:
The USERTRUST Network

Valid from:
1/10/2011 1:00:00 AM

Valid to:
1/10/2013 12:59:59 AM

Subject:
CN=Speedchecker Ltd, O=Speedchecker Ltd, STREET=2 high royd lane, L=Sheffield, S=Sheffield, PostalCode=S36 7JR, C=GB

Issuer:
CN=UTN-USERFirst-Object, OU=http://www.usertrust.com, O=The USERTRUST Network, L=Salt Lake City, S=UT, C=US

Serial number:
00F4384CEDE86AE94F0E52BBF94CD1E0B4

File PE Metadata
Compilation timestamp:
12/1/2011 2:00:51 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:1mI4LEIAMkPTQ7zy0elnzU85T/Lr1ZU2jsRUnS/Kwme8bf:1f4LEFMkwWyyT/3rJjWlU7

Entry address:
0xBD34

Entry point:
E8, 82, 52, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 8B, 45, 08, 33, C9, 3B, 04, CD, 40, 32, 42, 00, 74, 13, 41, 83, F9, 2D, 72, F1, 8D, 48, ED, 83, F9, 11, 77, 0E, 6A, 0D, 58, 5D, C3, 8B, 04, CD, 44, 32, 42, 00, 5D, C3, 05, 44, FF, FF, FF, 6A, 0E, 59, 3B, C8, 1B, C0, 23, C1, 83, C0, 08, 5D, C3, E8, 65, 3B, 00, 00, 85, C0, 75, 06, B8, A8, 33, 42, 00, C3, 83, C0, 08, C3, E8, 52, 3B, 00, 00, 85, C0, 75, 06, B8, AC, 33, 42, 00, C3, 83, C0, 0C, C3, 8B, FF, 55, 8B, EC, 56, E8, E2, FF, FF, FF, 8B, 4D, 08...
 
[+]

Code size:
110 KB (112,640 bytes)

Startup File (User Run)
Registry location:
HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

Name:
PCSpeedUp

Command:
C:\Program Files\przyspiesz komputer\pcsunotifier.exe


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