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yutool.exe

Beijing Yu Jin Cheng Technology Co., Ltd.

The application yutool.exe by Beijing Yu Jin Cheng 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. It is set to automatically execute when any user logs into Windows (through the local user run registry setting) with the name ‘UUTools’.
Publisher:
Beijing Yu Jin Cheng Technology Co., Ltd.  (signed and verified)

MD5:
9f44c8eb0243fd241a6786abffe9a664

SHA-1:
4864066d3338d56958bb477ac3e5cf6266ba30ce

SHA-256:
921f080afcb8973ad88214eb6d65b63ba19776627dbff2f619ffb396e4bb1086

Scanner detections:
1 / 68

Status:
Potentially unwanted

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:
11/24/2024 1:55:56 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
16.8.27.14

File size:
438.4 KB (448,952 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\yuyuplayers\yutool.exe

Digital Signature
Signed by:
Beijing Yu Jin Cheng Technology Co., Ltd.

Authority:
WoSign CA Limited

Valid from:
7/10/2014 5:39:40 PM

Valid to:
7/10/2015 5:39:40 PM

Subject:
CN="Beijing Yu Jin Cheng Technology Co., Ltd.", E=yujinchengkeji@yeah.net, O="Beijing Yu Jin Cheng Technology Co., Ltd.", L=Beijing, S=Beijing, C=CN

Issuer:
CN=WoSign Class 3 Code Signing CA, O=WoSign CA Limited, C=CN

Serial number:
29D44EDE298E6E0D61F4D0EB7C51C79E

File PE Metadata
Compilation timestamp:
5/6/2014 6:33:08 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
6144:JrS3jjz5Pw2YLM8dc3fbgGEtizQVxNrqBnOAUNGhJ4WnEEt+Ca6gtgb6lKeXpU:JrS3fzj3fbYtiMACGhJ4/Et+NBZU

Entry address:
0x2DD4A

Entry point:
E8, 02, C0, 00, 00, E9, 78, FE, FF, FF, 6A, 0C, 68, 88, 29, 45, 00, E8, 80, 0C, 00, 00, 83, 65, E4, 00, 8B, 75, 08, 3B, 35, 2C, D9, 45, 00, 77, 22, 6A, 04, E8, 0B, 59, 00, 00, 59, 83, 65, FC, 00, 56, E8, 12, 61, 00, 00, 59, 89, 45, E4, C7, 45, FC, FE, FF, FF, FF, E8, 09, 00, 00, 00, 8B, 45, E4, E8, 8C, 0C, 00, 00, C3, 6A, 04, E8, 06, 58, 00, 00, 59, C3, 8B, FF, 55, 8B, EC, 56, 8B, 75, 08, 83, FE, E0, 0F, 87, A1, 00, 00, 00, 53, 57, 8B, 3D, D8, 60, 44, 00, 83, 3D, 14, BF, 45, 00, 00, 75, 18, E8, 84, B6, 00...
 
[+]

Entropy:
6.3700

Code size:
274 KB (280,576 bytes)

Startup File (All Users Run)
Registry location:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

Name:
UUTools

Command:
"C:\Program Files\yuyuplayers\yutool.exe" \s17


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