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okdo-split-and-merge-pdf.exe

Internet Info, s.r.o.

The executable okdo-split-and-merge-pdf.exe has been detected as malware by 1 anti-virus scanner. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from www.slunecnice.cz.
Publisher:
Internet Info, s.r.o.  (signed and verified)

MD5:
232f4de77955999e8e66d440e9a457b9

SHA-1:
b0dab2f189683de26ba33b0d0c903acc35893f64

SHA-256:
5640c00406263506577bcf181edab7c5e4f5c94e5f4686e6f1604d629e895821

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
12/24/2024 5:21:24 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
16.8.5.8

File size:
12.7 MB (13,289,488 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\okdo-split-and-merge-pdf.exe

Digital Signature
Signed by:
Internet Info, s.r.o.

Authority:
StartCom Ltd.

Valid from:
7/10/2015 10:08:15 AM

Valid to:
7/9/2018 11:20:39 AM

Subject:
E=info@iinfo.cz, CN="Internet Info, s.r.o.", O="Internet Info, s.r.o.", L=Praha 6 - Hradčany, S=Praha, C=CZ

Issuer:
CN=StartCom Class 3 Primary Intermediate Object CA, OU=Secure Digital Certificate Signing, O=StartCom Ltd., C=IL

Serial number:
123B94555D4D63

File PE Metadata
Compilation timestamp:
12/5/2009 11:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
196608:OVXQpoJ+qz7d39pTtcW24U86QN1iM0Cb/V/dgRXi1VH7O27evDjsGjmyNfEH0/jy:OVA7YZ39pTT24jXi+/y27Opl9EU/j80M

Entry address:
0x30FA

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, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file okdo-split-and-merge-pdf.exe has been seen being distributed by the following URL.

http://www.slunecnice.cz/sw/okdo-split-and-merge-pdf/stahnout/39114/.../?md5=FlBTN0NhLt9V16nAm2MFJA&expires=1469611197

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