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przyspieszkomputer_057db7c2f7bb4b85a7957c5535635ac2_.exe

PC Speed Up

Speedchecker Ltd

This is the Performersoft setup installer. The application przyspieszkomputer_057db7c2f7bb4b85a7957c5535635ac2_.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. The file has been seen being downloaded from www.przyspieszkomputer.pl.
Publisher:
Speedchecker Limited   (signed by Speedchecker Ltd)

Product:
PC Speed Up

Version:
2.3.15

MD5:
4fbce00872247c9b76130cef71bc4aab

SHA-1:
242566aada3a94a7041691c1b876606f026de9f0

SHA-256:
997478e4ffe1a04b2cbc04d90ff2242640af0943bec5cce94d135150f07f6b40

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 is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
12/25/2024 4:33:14 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Performersoft.Speedche.Bundler (M)
16.7.8.14

File size:
3.4 MB (3,600,464 bytes)

Product version:
2.3.15

Copyright:
Copyright © Speedchecker Limited 2009-2011

File type:
Executable application (Win32 EXE)

Bundler/Installer:
InstallBrain

Common path:
C:\users\{user}\downloads\przyspieszkomputer_057db7c2f7bb4b85a7957c5535635ac2_.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:
10/30/2010 10:54:54 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
98304:nkQBZlbCmlalsc7ht1+cCwc7/JdeoCdNDBtT3ChQl:nulspdejNXShY

Entry address:
0x16478

Entry point:
55, 8B, EC, 83, C4, A4, 53, 56, 57, 33, C0, 89, 45, C4, 89, 45, C0, 89, 45, A4, 89, 45, D0, 89, 45, C8, 89, 45, CC, 89, 45, D4, 89, 45, D8, 89, 45, EC, B8, B0, 52, 41, 00, E8, AC, 03, FF, FF, 33, C0, 55, 68, 45, 6B, 41, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 01, 6B, 41, 00, 64, FF, 32, 64, 89, 22, A1, 48, AB, 41, 00, E8, 4E, EC, FF, FF, E8, F5, E7, FF, FF, 8D, 55, EC, 33, C0, E8, 7F, 84, FF, FF, 8B, 55, EC, B8, AC, D6, 41, 00, E8, E2, E9, FE, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, AC, D6, 41, 00, B2, 01...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
84 KB (86,016 bytes)

The file przyspieszkomputer_057db7c2f7bb4b85a7957c5535635ac2_.exe has been seen being distributed by the following URL.

http://www.przyspieszkomputer.pl/.../download.aspx?affID=janusz&keyword=speedtest2&requestId=057db7c2f7bb4b85a7957c5535635ac2

herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.