backup_installer.exe

Fedder Corporation Limited

The application backup_installer.exe by Fedder Limited has been detected as a potentially unwanted program by 7 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.backuppcfiles.com.
Publisher:
Fedder Corporation Limited  (signed and verified)

MD5:
8d3e3c0f16a3288ba16384b48d68e6c7

SHA-1:
56be03c442a3629e53a1be2b74087acb3b21f243

SHA-256:
9a64460c525281bb8be65ef0fd516a7e3606e7e6810ebf735d55284d526c5c5f

Scanner detections:
7 / 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:
11/15/2024 6:24:07 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Adware-gen [Adw]
2014.9-150702

Dr.Web
Adware.Downware.1417
9.0.1.0183

ESET NOD32
Win32/Bundled.Toolbar.Ask.D potentially unsafe (variant)
9.11250

McAfee
Artemis!5AF31AB0CB87
5600.6717

NANO AntiVirus
Trojan.Win32.Generic.cthmyi
0.30.0.296

Reason Heuristics
PUP.Optional.Installer
15.3.27.14

VIPRE Antivirus
Trojan.Win32.Generic
38014

File size:
7.1 MB (7,431,968 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\backup_installer.exe

Digital Signature
Authority:
VeriSign, Inc.

Valid from:
9/16/2013 8:00:00 PM

Valid to:
9/17/2015 7:59:59 PM

Subject:
CN=Fedder Corporation Limited, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Fedder Corporation 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:
22D2B6AFF4224506F133F373AAB07BFB

File PE Metadata
Compilation timestamp:
2/24/2012 2:19:54 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
196608:+opv8ENUW9S0aP3OeLsjOrjA0pVukWAgmvNwm:hpvPUEaP+YA0pAkUgNwm

Entry address:
0x3883

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, 68, 92, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 80, 40, 00, 55, FF, 15, C0, 82, 40, 00, 6A, 08, A3, B8, 2E, 47, 00, E8, 36, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, D0, 2D, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 64, 92, 40, 00, FF, 15, 84, 81, 40, 00, 68, 4C, 92, 40, 00, 68, C0, AD, 46, 00, E8, 18, 27, 00, 00, FF, 15, B0, 80, 40, 00, 50, BF, A0, 30, 4C, 00, 57, E8, 06, 27, 00, 00...
 
[+]

Entropy:
7.9985

Packer / compiler:
Nullsoft install system v2.x

Code size:
27.5 KB (28,160 bytes)

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

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