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freefilesync_7.2_windows_setup.exe

FreeFileSync

Open Source Developer, Zenju

The application freefilesync_7.2_windows_setup.exe, “FreeFileSync Setup” by Open Source Developer, Zenju 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. The installer uses the OpenCandy monitzation platform which will donwload and install offers in the setup for potentially unwanted software including ad/search-supported toolbars. While running, it connects to the Internet address a2ss35.a2hosting.com on port 80 using the HTTP protocol.
Publisher:
www.FreeFileSync.org  (signed by Open Source Developer, Zenju)

Product:
FreeFileSync

Description:
FreeFileSync Setup

Version:
7.2

MD5:
6ad442812bcb16610f96536c569dfbb0

SHA-1:
44951015429203cffc27099b018b66a534232a1b

SHA-256:
fa563d6fe540dc4fe3c6658d19e25fb103e20bfb1563d702921cbe44936f8c09

Scanner detections:
7 / 68

Status:
Potentially unwanted

Explanation:
Packages the OpenCandy software bundler that offers to install additional software and may include web browser add-ons and toolbars which display advertising (based on publisher settings and geo context).

Analysis date:
12/25/2024 5:23:21 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
OpenCandy
2016.0.3058

Baidu Antivirus
Adware.Win32.OpenCandy
4.0.3.1574

Bkav FE
W32.HfsAdware
1.3.0.6979

ESET NOD32
Win32/OpenCandy.C potentially unsafe (variant)
9.11888

K7 AntiVirus
Unwanted-Program
13.205.16459

Malwarebytes
PUP.Optional.OpenCandy
v2015.07.04.03

Panda Antivirus
PUP/OpenCandy
15.07.04.03

File size:
10.3 MB (10,752,016 bytes)

Product version:
7.2

Copyright:
Zenju - All Rights Reserved

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

Common path:
C:\users\{user}\downloads\freefilesync_7.2_windows_setup.exe

Digital Signature
Signed by:
Open Source Developer, Zenju

Authority:
Unizeto Technologies S.A.

Valid from:
9/5/2014 11:42:28 AM

Valid to:
9/5/2015 11:42:28 AM

Subject:
E=zenju@gmx.de, CN="Open Source Developer, Zenju", O=Open Source Developer, C=DE

Issuer:
CN=Certum Level III CA, OU=Certum Certification Authority, O=Unizeto Technologies S.A., C=PL

Serial number:
3402C75B8D745AF02AABEBC7659B40D7

File PE Metadata
Compilation timestamp:
10/7/2014 5:40:20 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
196608:qEW3fluHqYsOJCr3sKaZvwnil4jZSq2RcRktOxuvR4Ok+UZG/h2EmgW5I9li1:biNnOYIKMQddH5fx0aO/tm7im

Entry address:
0x335A

Entry point:
81, EC, D8, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, 30, 92, 40, 00, 89, 6C, 24, 14, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, BC, 70, 40, 00, 55, FF, 15, AC, 72, 40, 00, 6A, 09, A3, B8, 92, 42, 00, E8, 15, 2F, 00, 00, A3, 04, 92, 42, 00, 55, 8D, 44, 24, 38, 68, B4, 02, 00, 00, 50, 55, 68, A8, 06, 42, 00, FF, 15, 7C, 71, 40, 00, 68, 7C, 93, 40, 00, 68, 00, 82, 42, 00, E8, 80, 2B, 00, 00, FF, 15, 34, 71, 40, 00, BB, 00, 40, 43, 00, 50, 53, E8, 6E, 2B, 00, 00...
 
[+]

Entropy:
7.9988

Packer / compiler:
Nullsoft install system v2.x

Code size:
24 KB (24,576 bytes)

The executing file has been seen to make the following network communication in live environments.

TCP (HTTP):
Connects to a2ss35.a2hosting.com  (66.198.240.22:80)

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