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yomz.exe

Beijing Caiyunshidai Technology Co., Ltd.

The application yomz.exe by Beijing Caiyunshidai Technology Co. 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 dgkytklfjrqkb.cloudfront.net.
Publisher:
Beijing Caiyunshidai Technology Co., Ltd.  (signed and verified)

MD5:
4f68a519028de6588694163629d0a6a5

SHA-1:
aa414d194c95b3e30b8a87877a415fe59be1693b

SHA-256:
b59f88b4c899e89a853e08191f5a60c49d2dcfc3f19ab09e68cbd24fef4cef6f

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/30/2024 9:39:16 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.ELEX.SpeedSearch (M)
17.1.26.20

File size:
412.2 KB (422,056 bytes)

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
Beijing Caiyunshidai Technology Co., Ltd.

Authority:
thawte, Inc.

Valid from:
1/17/2017 6:00:00 PM

Valid to:
3/3/2017 5:59:59 PM

Subject:
CN="Beijing Caiyunshidai Technology Co., Ltd.", O="Beijing Caiyunshidai Technology Co., Ltd.", L=Beijing, S=Beijing, C=CN

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

Serial number:
35A3091866A7905AF1E3E625AD3C5875

File PE Metadata
Compilation timestamp:
1/18/2017 2:36:22 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x74E3

Entry point:
E8, 4B, B8, FF, FF, E9, D4, 5B, 00, 00, 33, C0, 50, 50, 50, 50, 50, E8, 95, 0B, 00, 00, 83, C4, 14, C3, 56, 57, BE, 8C, 2E, 46, 00, BF, 8C, 2E, 46, 00, EB, 0B, 8B, 06, 85, C0, 74, 02, FF, D0, 83, C6, 04, 3B, F7, 72, F1, 5F, 5E, C3, 55, 8B, EC, 56, 57, 8B, 7D, 08, 85, FF, 74, 13, 8B, 4D, 0C, 85, C9, 74, 0C, 8B, 55, 10, 85, D2, 75, 1A, 33, C0, 66, 89, 07, E8, 8F, E1, FF, FF, 6A, 16, 5E, 89, 30, E8, A2, FF, FF, FF, 8B, C6, 5F, 5E, 5D, C3, 8B, F7, 66, 83, 3E, 00, 74, 06, 83, C6, 02, 49, 75, F4, 85, C9, 74, D4...
 
[+]

Entropy:
7.7929  (probably packed)

Code size:
366.5 KB (375,296 bytes)

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

http://dgkytklfjrqkb.cloudfront.net/.../yomz.exe

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