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YSearchSetTool.exe

Yahoo Search Utility

Yahoo Inc.

The application YSearchSetTool.exe by Yahoo has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. While running, it connects to the Internet address w2.src.vip.bf1.yahoo.com on port 443.
Publisher:
Yahoo Inc.  (signed and verified)

Product:
Yahoo Search Utility

Description:
YSearchSetTool

Version:
2015, 9, 9, 01

MD5:
83788ab16913d3d21f38222ccf152208

SHA-1:
76fb1c8c3ebfeadf5a33110d0d54309a1c6be2c8

SHA-256:
4e7b7ef0c47509ce46480ddeeaf5828190a6127ac9269e1c4bb0de062a265e6d

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
4/26/2024 6:22:21 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Search.Yahoo (M)
16.5.11.13

File size:
106 KB (108,496 bytes)

Product version:
1, 0, 0, 71

Copyright:
(c) 2015 Yahoo Inc. All rights reserved.

Original file name:
YSearchSetTool.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\Program Files\yahoo!\yset\{129bbfd5-b26e-4544-86fb-f580514696d6}\ysearchsettool.exe

Digital Signature
Signed by:
Yahoo Inc.

Authority:
Symantec Corporation

Valid from:
9/2/2015 2:00:00 AM

Valid to:
9/3/2018 1:59:59 AM

Subject:
CN=Yahoo Inc., OU=Search Products, O=Yahoo Inc., L=Sunnyvale, S=California, C=US

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
312C33063C6A99AC535D8A8343B93D2B

File PE Metadata
Compilation timestamp:
9/9/2015 8:34:54 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
1536:xkAVBTf6k27SziIduWkqCZvwWBJ44Kc7q9A1mxcPXl8Wdsvo1DN7wro:xBVgbWkqCzBJ4m+cScPX6Wdsvo1DBao

Entry address:
0x5BE5

Entry point:
E8, 8E, 57, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 83, 7D, 08, 00, 74, 2D, FF, 75, 08, 6A, 00, FF, 35, 1C, 8D, 41, 00, FF, 15, 28, 10, 41, 00, 85, C0, 75, 18, 56, E8, D7, 12, 00, 00, 8B, F0, FF, 15, 58, 10, 41, 00, 50, E8, 87, 12, 00, 00, 59, 89, 06, 5E, 5D, C3, CC, CC, CC, CC, CC, CC, CC, 8B, 54, 24, 0C, 8B, 4C, 24, 04, 85, D2, 74, 69, 33, C0, 8A, 44, 24, 08, 84, C0, 75, 16, 81, FA, 80, 00, 00, 00, 72, 0E, 83, 3D, 64, A4, 41, 00, 00, 74, 05, E9, B7, 57, 00, 00, 57, 8B, F9, 83, FA, 04, 72, 31, F7...
 
[+]

Code size:
60.5 KB (61,952 bytes)

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP SSL):
Connects to w2.src.vip.gq1.yahoo.com  (98.137.236.150:443)

TCP (HTTP SSL):
Connects to w2.src.vip.sg3.yahoo.com  (106.10.212.150:443)

TCP (HTTP SSL):
Connects to w2.src.vip.bf1.yahoo.com  (74.6.50.150:443)

TCP (HTTP SSL):
Connects to rtr3a.l7.search.vip.bf1.yahoo.com  (63.250.200.101:443)

TCP (HTTP SSL):
Connects to w2.src.vip.tw1.yahoo.com  (124.108.105.150:443)

TCP (HTTP SSL):
Connects to w2.src.vip.ir2.yahoo.com  (77.238.184.150:443)

TCP (HTTP SSL):
Connects to rtr3.l7.search.vip.bf1.yahoo.com  (63.250.200.63:443)

TCP (HTTP SSL):
Connects to r2.ycpi.vip.bf1.yahoo.net  (98.139.199.205:443)

TCP (HTTP):
Connects to a23-55-155-27.deploy.static.akamaitechnologies.com  (23.55.155.27:80)

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