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Setup.exe

Tripro Ltd

The file Setup.exe by Tripro has been detected as adware by 5 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. This downloadble file is typically blocked through Google's Safe Browsing technology in Chrome web browser. The file has been seen being downloaded from improvespeedpc.s3.amazonaws.com.
Publisher:
Tripro Ltd  (signed and verified)

MD5:
b621083276e68d6a42f1c62ccce256c3

SHA-1:
4e7d5d27ff33264d4dce8869f279b4335208d6cb

SHA-256:
49f37cf8ebd698f614459cedb52e375cb86ae750a5f2e0cc3babb82005ff42a6

Scanner detections:
5 / 68

Status:
Adware

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:
4/25/2024 3:07:57 AM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
Adware.Win32.AskToolbar
4.0.3.151025

ESET NOD32
Win32/Bundled.Toolbar.Ask.G potentially unsafe (variant)
9.12462

Fortinet FortiGate
Riskware/Ask
10/25/2015

Malwarebytes
PUP.Optional.APNToolBar
v2015.10.25.06

Reason Heuristics
PUP.Tripro.Installer (M)
15.10.25.18

File size:
3.8 MB (3,957,656 bytes)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

Digital Signature
Signed by:
Tripro Ltd

Authority:
Symantec Corporation

Valid from:
9/30/2015 8:00:00 PM

Valid to:
11/29/2017 6:59:59 PM

Subject:
CN=Tripro Ltd, O=Tripro Ltd, L=Hong Kong, S=Hong Kong, C=HK

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
13A3B9C03ED5637D31E4611B935ADCCF

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:8upwvcuRzfaezOykG7MeGMdetwW24zXQGnQ0y11ctes0:Bpwvc+ieCykcEtz2OXQGnflh0

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:
7.9880

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

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

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

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