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pdfmerge_setup.exe

Proinstall Applications SRL

The application pdfmerge_setup.exe by Proinstall Applications SRL has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from d3s8yh4ki1ad1i.cloudfront.net.
Publisher:
Proinstall Applications SRL  (signed and verified)

MD5:
7679bb5300b42b4bd7ca36f6d735ca55

SHA-1:
297a1da1d29a4aa4bbfee2a27d0deb5e70e891d4

SHA-256:
cdb2e8fe8a6820b6368485718b1fa08bd567013e2b6b491b27ac88c1e50db0b4

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
4/19/2024 2:25:51 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ProInstall.Installer (M)
16.6.13.1

File size:
227 KB (232,424 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\pdfmerge_setup.exe

Digital Signature
Signed by:
Proinstall Applications SRL

Authority:
DigiCert Inc

Valid from:
1/9/2015 3:00:00 AM

Valid to:
2/12/2016 3:00:00 PM

Subject:
CN=Proinstall Applications SRL, O=Proinstall Applications SRL, L=Bucuresti, S=Bucuresti, C=RO, PostalCode=030964, STREET="Bd Decebal Nr 25-29,", STREET="Etaj 9, Camera A Sectorul 3", SERIALNUMBER=33860761, OID.1.3.6.1.4.1.311.60.2.1.3=RO, OID.2.5.4.15=Private Organization

Issuer:
CN=DigiCert EV Code Signing CA (SHA2), OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
06B76A4D851FA7422C046961F81E753C

File PE Metadata
Compilation timestamp:
12/6/2009 1:50:46 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:5QIURTXJqORfcc4VQgH1wOzUUUcI/CUAJkAoG0z/ZMh0FyzA5n:5s4ORt4nH1zf5VUAmASzyPU

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:
7.0538

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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

http://d3s8yh4ki1ad1i.cloudfront.net/ngpdlgjcpulwjrkpep-peammbmdqjcoujpl

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