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crkcr0kyb.exe

preverttechnology.com

The application crkcr0kyb.exe by preverttechnology.com has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a setup program which is used to install the application. The file has been seen being downloaded from www.dkbsoftware.com and multiple other hosts.
Publisher:
preverttechnology.com  (signed and verified)

MD5:
0d9d6c6909f9af8e281c8a1637a6c22c

SHA-1:
5ae729a76af95612f9a37a87cdcf8e9d5440a690

SHA-256:
9550c641a280c7736fe28d4d790326eabeb023c30c71e32edce39e0a860ac478

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/26/2024 4:32:56 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Wajam.prevertt (M)
16.3.16.0

File size:
4.2 MB (4,370,552 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\crkcr0kyb.exe

Digital Signature
Signed by:
preverttechnology.com

Authority:
thawte, Inc.

Valid from:
8/25/2015 1:00:00 AM

Valid to:
8/25/2016 12:59:59 AM

Subject:
CN=preverttechnology.com, O=preverttechnology.com, L=Montreal, S=Quebec, C=CA

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
043A590D27245C078EA6F029E994BE26

File PE Metadata
Compilation timestamp:
1/28/2016 6:45:22 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
98304:VKpWzkDyeMi9M5Nqug7AKV3uFywsWJF7KgF1QgHjdPE:VKp4OyeMIM5Njg7AwV5Wb7tDPE

Entry address:
0x9EC0

Entry point:
E8, 3A, 17, 00, 00, E9, 89, FE, FF, FF, 3B, 0D, 40, 44, 41, 00, 75, 02, F3, C3, E9, C1, 17, 00, 00, A1, E0, AE, 43, 00, 56, 6A, 14, 5E, 85, C0, 75, 07, B8, 00, 02, 00, 00, EB, 06, 3B, C6, 7D, 07, 8B, C6, A3, E0, AE, 43, 00, 6A, 04, 50, E8, E5, 18, 00, 00, 59, 59, A3, D8, 9E, 43, 00, 85, C0, 75, 1E, 6A, 04, 56, 89, 35, E0, AE, 43, 00, E8, CC, 18, 00, 00, 59, 59, A3, D8, 9E, 43, 00, 85, C0, 75, 05, 6A, 1A, 58, 5E, C3, 33, D2, B9, 08, 40, 41, 00, EB, 05, A1, D8, 9E, 43, 00, 89, 0C, 02, 83, C1, 20, 83, C2, 04...
 
[+]

Entropy:
7.9958  (probably packed)

Code size:
58 KB (59,392 bytes)

The file crkcr0kyb.exe has been seen being distributed by the following 2 URLs.

http://www.dkbsoftware.com/.../WBE_0.0.1.56.exe

http://install-apps.com/.../WBE_0.0.1.56.exe

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