oconvpck.exe

Win32 Cabinet Self-Extractor

Microsoft Corporation

This is a setup program which is used to install the application. This is installed with Microsoft Office Access 2003 Runtime. The file has been seen being downloaded from storage.dobreprogramy.pl and multiple other hosts a known adware distribution point operated by dobreprogramy sp. z o.o..
Publisher:
Microsoft Corporation  (signed and verified)

Product:
Microsoft® Windows® Operating System

Description:
Win32 Cabinet Self-Extractor

Version:
11.0.0

MD5:
ac411593b86b65d84ac05beba22ed969

SHA-1:
40cc5079ff02c350d44a344db02fc6b880dd2665

SHA-256:
1ae6daedf945a305bd77a2c7eeba0757086c6539da6606e0eca666b2e933ff63

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)
Whitelisted  (by digital signature)

Analysis date:
11/23/2024 9:57:37 AM UTC  (today)

File size:
1.7 MB (1,761,856 bytes)

Product version:
11.0.0

Copyright:
© Microsoft Corporation. All rights reserved.

Original file name:
WEXTRACT.EXE

File type:
Executable application (Win32 EXE)

Language:
English (United States)

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

Digital Signature
Authority:
Microsoft Corporation

Valid from:
5/25/2002 10:55:48 AM

Valid to:
11/25/2003 12:05:48 PM

Subject:
CN=Microsoft Corporation, OU=Copyright (c) 2002 Microsoft Corp., O=Microsoft Corporation, L=Redmond, S=Washington, C=US

Issuer:
CN=Microsoft Code Signing PCA, OU=Copyright (c) 2000 Microsoft Corp., O=Microsoft Corporation, L=Redmond, S=Washington, C=US

Serial number:
61071143000000000034

File PE Metadata
Compilation timestamp:
8/18/2001 11:42:57 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
7.0

CTPH (ssdeep):
49152:YFuSniBB4wCnr8NEofjQKaDEZkIR6ETCn09ynjQp:OvoB4wbNtjQcZJ67n0onjy

Entry address:
0x5A5E

Entry point:
55, 8B, EC, 83, EC, 44, 56, FF, 15, 5C, 11, 00, 01, 8B, F0, 8A, 06, 3C, 22, 75, 12, 46, 8A, 06, 84, C0, 74, 04, 3C, 22, 75, F5, 80, 3E, 22, 75, 13, EB, 10, 3C, 20, 7E, 0D, 46, 80, 3E, 20, 7F, FA, EB, 05, 3C, 20, 7F, 07, 46, 8A, 06, 84, C0, 75, F5, 83, 65, E8, 00, 8D, 45, BC, 50, FF, 15, 58, 11, 00, 01, F6, 45, E8, 01, 74, 06, 0F, B7, 45, EC, EB, 03, 6A, 0A, 58, 50, 56, 6A, 00, 6A, 00, FF, 15, 54, 11, 00, 01, 50, E8, 35, FF, FF, FF, 50, FF, 15, 04, 11, 00, 01, CC, 53, 8B, 5C, 24, 08, 3A, 5C, 24, 0C, 75, 1B...
 
[+]

Entropy:
7.9850

Developed / compiled with:
Microsoft Visual C++

Code size:
34 KB (34,816 bytes)

The file oconvpck.exe has been discovered within the following program.

Microsoft Office Access 2003 Runtime  by Microsoft Corporation
www.microsoft.com/germany/support
2% remove it
 
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The file oconvpck.exe has been seen being distributed by the following 23 URLs.

http://storage.dobreprogramy.pl/.../OCONVPCK(dobreprogramy.pl).exe

http://gsf-cf.softonic.com/40c/c50/.../file?SD_used=0&channel=WEB&fdh=no&id_file=58021&instance=softonic_en&type=PROGRAM&Expires=1446020334&Signature=L9bCWhCUvVpAbyhLKcSMCF8sXpGTosP-rdVb6w~ALXcuDg-KTss7pUg2--trLi4pji7HUmm9aa8soytNPBC248rJ6G8kvujrjRKmLw93UnoF7WVb9ODEdvYlMJl0iQJz9a6upJYDjmdPD5pkrEhwWUPVTSEbDMWV1TX7zUIh5dw_&Key-Pair-Id=APKAJUA62FNWTI37JTGQ&filename=OCONVPCK.EXE

http://dpcdn-s01.pl/.../OCONVPCK(dobreprogramy.pl).exe

http://gsf-cf.softonic.com/40c/c50/.../file?SD_used=0&channel=WEB&fdh=no&id_file=58021&instance=softonic_en&type=PROGRAM&Expires=1477971004&Signature=DTLiy9DjKXBjB6ekEmuCkIDLBQILBUtFs5myCRjAsuUE-BAEqkaTPy~-qtWjRlbd1RukDVVAc0hAPB1oJ0cu-2EHTWmBex-M12tscmr43eYKuC18A2Wi5iahKhROYzTRbgO5gbcsHjXzJNGEIdbdO9YbIuNL-RJT1K1oHsF0HLw_&Key-Pair-Id=APKAJUA62FNWTI37JTGQ&filename=OCONVPCK.EXE

http://www.brothersoft.com/d.php?soft_id=64567&url=http://files.brothersoft.com/pdf_files/.../OCONVPCK.EXE&name=Microsoft Office File Converter Pack

http://gsf-cf.softonic.com/40c/c50/.../file?SD_used=0&channel=WEB&fdh=no&id_file=58021&instance=softonic_en&type=PROGRAM&Expires=1466039336&Signature=dUGDw1PIjHrQPA7szajIT1Gk5J0XUVu6yU5SkB~E-ZbhS4nk8xIF9uP~-wBP9IA-AU719~8UwAfCvcs9FFTzrSDze1h0oudiYcapB7NxJV-AWT1mF-F0L4mOOzMYjKsVV78iC3pFsl4tX6X93Jx4v8~3-EXzyh7OBVhGPw-JpHk_&Key-Pair-Id=APKAJUA62FNWTI37JTGQ&filename=OCONVPCK.EXE

http://gsf-cf.softonic.com/40c/c50/.../file?SD_used=0&channel=WEB&fdh=no&id_file=58021&instance=softonic_en&type=PROGRAM&Expires=1476051097&Signature=U~wxHDl5rrQ-xumFy-RUdijAG40hoUSHXC3oYMlFz5RpMfnaAiigHK1Ik3TvYJ9-tMRAIAu-JZD1zn1kxmxNXlX~NqmvmZIZsO3p-jDPTMU--5EIPvh-see~~qfw0z7NGLcMW-YxlTaacgipL8HKQbpO8aq7I61MLHucOcQWlMk_&Key-Pair-Id=APKAJUA62FNWTI37JTGQ&filename=OCONVPCK.EXE

http://gsf-cf.softonic.com/40c/c50/.../file?SD_used=0&channel=WEB&fdh=no&id_file=58021&instance=softonic_en&type=PROGRAM&Expires=1464659379&Signature=L-R3OsZ6c9oUzIwPlm47Z1fTcYLBdz6VXxkK2IW-BZHFGXhUA5HDVMbVGReXUX-Cvm-I2y6tN1q2LN5P1X~8EThoKDSpkwYHKNkXCyw9dMff8JaPJw9WZF7TN9hY9qpTOHqYjKQNWQjPItgquzmg5klGRfaP1YO2Nwgi06je8-Q_&Key-Pair-Id=APKAJUA62FNWTI37JTGQ&filename=OCONVPCK.EXE

http://gsf-cf.softonic.com/40c/c50/.../file?SD_used=0&channel=WEB&fdh=no&id_file=58021&instance=softonic_en&type=PROGRAM&Expires=1434004162&Key-Pair-Id=APKAJUA62FNWTI37JTGQ&Signature=LpPRgwcvFIdzYq5qPDs~e5AWDqRQex64d6hH~uIA1ER1qM7PVTaBAGYGQ3mdKrPOmSVfusGtC~6jSPd6AI7MDjNwsMXI6WWb~Fp1IxcxEf84RQsNgPVK~j8J3ACBqkIJOXUjysVGKztcu-~UtdFlthjk6G1jU4nW3Udhv5-X-wA_&filename=OCONVPCK.EXE