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skyhook.exe

Optimal Software s.r.o.

The application skyhook.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. Additionally, the file is typically installed by a number of programs including Accelerer PC by Speedchecker Limited and PC Speed Up by Speedchecker Limited.
Publisher:
Optimal Software s.r.o.  (signed and verified)

MD5:
94794cb85a65beca0c153528faa27bdf

SHA-1:
1c0e8597d5794cf7aeece368e84b34cc329fc0d4

SHA-256:
be04ca6d304080937ddc0a979d620ad919c9d2ab8c78e2e01866ae654e69cb88

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
5/15/2024 10:11:49 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Speedchecker.OptimalS.Meta (L)
16.6.10.12

File size:
178.7 KB (182,984 bytes)

File type:
Executable application (Win64 EXE)

Common path:
C:\Program Files\pc speed up\skyhook.exe

Digital Signature
Signed by:
Optimal Software s.r.o.

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:
10/16/2014 2:35:41 PM

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows Console

Linker version:
10.0

CTPH (ssdeep):
3072:JHBe7N0dNdjlpZwZtcT2OZzysfx5/UHrgk8+1CMFj:JHkh0dNdjXZZT2Yzysfx5cXVCM1

Entry address:
0xAF10

Entry point:
48, 83, EC, 28, E8, D7, 7E, 00, 00, 48, 83, C4, 28, E9, 76, FE, FF, FF, CC, CC, 4C, 8D, 0D, 85, D6, 01, 00, 33, C0, 49, 8B, D1, 44, 8D, 40, 08, 3B, 0A, 74, 2B, FF, C0, 49, 03, D0, 83, F8, 2D, 72, F2, 8D, 41, ED, 83, F8, 11, 77, 06, B8, 0D, 00, 00, 00, C3, 81, C1, 44, FF, FF, FF, B8, 16, 00, 00, 00, 83, F9, 0E, 41, 0F, 46, C0, C3, 48, 98, 41, 8B, 44, C1, 04, C3, CC, 48, 83, EC, 28, E8, 0F, 5E, 00, 00, 48, 85, C0, 75, 09, 48, 8D, 05, 97, D7, 01, 00, EB, 04, 48, 83, C0, 10, 48, 83, C4, 28, C3, 48, 83, EC, 28...
 
[+]

Code size:
120 KB (122,880 bytes)

The file skyhook.exe has been discovered within the following programs.

Accelerer PC  by Speedchecker Limited
www.pcspeedup.com
56% remove it
PC Speed Up  by Speedchecker Limited
Publisher's description - “Do you feel that your PC does not work as it used to? The reason may be one or more problems acting together. The problem nowadays is that it is very difficult and time consuming to monitor and take care of your PC.”
69% remove it
 
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