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improvespeedpc.exe

Pinery Limited

The application improvespeedpc.exe by Pinery Limited has been detected as a potentially unwanted program by 6 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. This version of the installer will bundle the Ask.com Toolbar, a potentially unwanted web browser extension. The file has been seen being downloaded from www.open-your-files.com and multiple other hosts.
Publisher:
Pinery Limited  (signed and verified)

MD5:
286554dc9c88d167fc2483eeafdd2a45

SHA-1:
467214cf2e980dc41da423e3efcff5eb5b023040

SHA-256:
767f5086b1d38f383ae88afdee82cf4d75e750e7c1db6e436916ccd46bd78ff8

Scanner detections:
6 / 68

Status:
Potentially unwanted

Explanation:
Bundles that Ask.com toolbar as a third-party offer, a web browser extension that may modify a user's search and home pages.

Analysis date:
12/27/2024 2:42:59 AM UTC  (today)

Scan engine
Detection
Engine version

Comodo Security
Application.Win32.Agent.~ADE
18122

Dr.Web
Adware.Downware.1417
9.0.1.0107

ESET NOD32
Win32/Bundled.Toolbar.Ask (variant)
8.9295

Malwarebytes
PUP.Optional.Spigot.A
v2014.04.17.10

NANO AntiVirus
Trojan.Win32.Downware.csnyid
0.28.0.57029

XVirus List
Win.Detected
2.3.31

File size:
3.2 MB (3,383,232 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\improvespeedpc.exe

Digital Signature
Signed by:
Pinery Limited

Authority:
VeriSign, Inc.

Valid from:
9/29/2013 7:00:00 PM

Valid to:
9/30/2015 6:59:59 PM

Subject:
CN=Pinery Limited, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Pinery Limited, L=Hong Kong, S=Hong Kong, C=HK

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
6DD6E53DC8A2D168995764FA8A7FB997

File PE Metadata
Compilation timestamp:
12/5/2009 4:50:41 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:mI7faH2ORmIaezOykG7MeGMdetwW24zXQx:mIuWDeCykcEtz2OXQx

Entry address:
0x30CB

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, 38, 3F, 42, 00, E8, F1, 2B, 00, 00, A3, 84, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 36, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9951

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

The file improvespeedpc.exe has been seen being distributed by the following 3 URLs.

http://www.open-your-files.com/ImproveSpeedPC.exe

http://www.open-your-files.com/downloadim.php

http://improvespeedpc.s3.amazonaws.com/ImproveSpeedPC.exe

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