pcspeedup.exe

PC Speed Up

Optimal Software s.r.o.

The application pcspeedup.exe by Optimal Software s.r.o has been detected as a potentially unwanted program 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 Inno Setup installer. The file has been seen being downloaded from sendme8.ru and multiple other hosts.
Publisher:
Speedchecker Limited   (signed by Optimal Software s.r.o.)

Product:
PC Speed Up

Version:
3.9.7.0

MD5:
e8e79657ade7013d49409717c1dd2c82

SHA-1:
7570f7fd7b00e4735b07ff757c92ff6e36de4d1f

SHA-256:
8e47621c32f8694f9fe66e3dbe665ca54fce7257f13a797bd9c8ad0acbb0092d

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
4/23/2024 10:43:16 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.SpeedChecker.Optional.Installer.Meta (L)
16.6.10.12

File size:
6.6 MB (6,931,240 bytes)

Product version:
3.9.7.0

Copyright:
Copyright © Speedchecker Limited 2009-2015

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\content.ie5\1ucoa2rz\pcspeedup.exe

Digital Signature
Authority:
COMODO CA Limited

Valid from:
7/14/2014 2:00:00 AM

Valid to:
7/15/2015 1:59:59 AM

Subject:
CN=Optimal Software s.r.o., O=Optimal Software s.r.o., STREET=Jablunkovska 2014/40a, L=Cesky Tesin, S=Ceska republika, PostalCode=7373 01, C=CZ

Issuer:
CN=COMODO RSA Code Signing CA, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
7759BE5E5ACEE592AF19555B528CE72F

File PE Metadata
Compilation timestamp:
12/20/2011 3:16:50 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
196608:O3SHICIVZdhxXTGp+N1RbQ7sIHk/9Mks9ju:OaqdhxesIHkvAu

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 pcspeedup.exe has been seen being distributed by the following 11 URLs.

http://sendme8.ru/.../be077fe2b0a70d178de6a7007478012d.exe

http://syscos26.ru/.../dc683ea56167f13c0b1f6a3c19941446.exe

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