extchanger.exe

ProInstall Applications SRL

The application extchanger.exe by ProInstall Applications SRL has been detected as adware by 11 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 download.cnet.com.
Publisher:
ProInstall Applications SRL  (signed and verified)

MD5:
7fe7c44d9b77bf3f7bc04b673b1fd591

SHA-1:
ebd172ba38c9d3a2b708476969ac551b89c34e6c

SHA-256:
ea74b2113e5ae5fc8bd100be700310351404f66cbedb1679281f24ebe349a0c8

Scanner detections:
11 / 68

Status:
Adware

Analysis date:
4/20/2024 2:51:56 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/Adware.Gen
7.11.206.130

AVG
Generic
2016.0.3154

Dr.Web
Adware.Downware.10521, Trojan.DownLoader12.24603
9.0.1.05190

ESET NOD32
Win32/WinWrapper.A potentially unwanted application
7.0.302.0

herdProtect (fuzzy)
2015.7.4.22

Kaspersky
Trojan-Downloader.Win32.Genome
15.0.0.543

NANO AntiVirus
Trojan.Nsis.Downloader.doczdj
0.30.8.659

nProtect
Trojan-Downloader/W32.Genome.233512
15.03.30.01

Reason Heuristics
PUP.Installer.ProInstallApplicationsSRL
15.3.31.0

VIPRE Antivirus
Threat.4150696
38552

Zillya! Antivirus
Downloader.Genome.Win32.53515
2.0.0.2122

File size:
228 KB (233,512 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

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

Digital Signature
Authority:
COMODO CA Limited

Valid from:
12/30/2014 2:00:00 AM

Valid to:
12/31/2015 1:59:59 AM

Subject:
CN=ProInstall Applications SRL, OU=iops, O=ProInstall Applications SRL, STREET="Bd Decebal 25-29, Et 9", STREET=Spatiul 9.1 Camera A, L=Bucuresti, S=Sector 3, PostalCode=030964, C=RO

Issuer:
CN=COMODO RSA Code Signing CA, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00DEEB02D2E0E21E746A201B3C8B6EBC7A

File PE Metadata
Compilation timestamp:
12/6/2009 12:50:46 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:uQIURTXJqORfcc4VQgH1wOzUUUcI/CUAJkAoG0z/ZMh0FyzA5OG:us4ORt4nH1zf5VUAmASzyP8

Entry address:
0x323C

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 58, 3F, 42, 00, E8, 09, 2C, 00, 00, A3, A4, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 58, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, A0, 36, 42, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Entropy:
7.0638

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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

Remove extchanger.exe - Powered by Reason Core Security