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speedupmycomputer.exe

SmartTweak Software Ltd

The application speedupmycomputer.exe by SmartTweak Software has been detected as a potentially unwanted program by 2 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from downloads.smarttweak.us.
Publisher:
SmartTweak Software Ltd  (signed and verified)

MD5:
898a8473ac283b45ca4b6cf3f4cabb99

SHA-1:
53f7c9a844b25374b887a7bf420eff5b39a9c366

Scanner detections:
2 / 68

Status:
Potentially unwanted

Analysis date:
4/24/2024 6:32:29 PM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Program.Unwanted.37
9.0.1.0155

Reason Heuristics
PUP.Optional.SmartTweakSoftware.R
14.6.4.18

File size:
2.1 MB (2,192,528 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\Documents and Settings\{user}\Local settings\temp\speedupmycomputer.exe

Digital Signature
Signed by:
SmartTweak Software Ltd

Authority:
Thawte, Inc.

Valid from:
4/30/2013 6:00:00 PM

Valid to:
5/31/2015 5:59:59 PM

Subject:
CN=SmartTweak Software Ltd, OU=IT Department, O=SmartTweak Software Ltd, L=Rostov-Na-Donu, S=Rostovskaya obl., C=RU

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
7CE7DC150197DF4751AE4E90AB881CF6

File PE Metadata
Compilation timestamp:
12/5/2009 3:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:/dHlN4tRKVz4SnfcboUtVEMVRr6ltwolEqvbvKgOZdbI8DhteEg:lHr4RK54SfcbJFyugEAYfcaeEg

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9898

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://downloads.smarttweak.us/smc/.../SpeedUpMyComputer.exe

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