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mathtype6.9_5100000054476978265.exe

downer for windows

Riyue Tongxing Information Technology (Beijing) Co.,Ltd.

The application mathtype6.9_5100000054476978265.exe by Riyue Tongxing Information Technology (Beijing) Co.,Ltd has been detected as a potentially unwanted program by 8 anti-malware scanners. This is a setup program which is used to install the application. The file has been seen being downloaded from filecdn.72zx.com and multiple other hosts.
Publisher:
Riyue Tongxing Information Technology (Beijing) Co.,Ltd.  (signed and verified)

Product:
downer for windows

Version:
1.2.11.27

MD5:
b2ec2d7dc979f3dfc314ee1944c37de2

SHA-1:
00f111463098a1d26bdfaf0192bafd3826300510

SHA-256:
fe52cb296d32bba2276b47b58dc519f06436c9bfd7fb1d177d25033b3212b72d

Scanner detections:
8 / 68

Status:
Potentially unwanted

Analysis date:
12/26/2024 12:49:40 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Malware-gen
151212-2

AVG
Generic
2016.0.2893

Baidu Antivirus
PUA.Win32.Gaofenquming
4.0.3.151217

ESET NOD32
Win32/Gaofenquming.B potentially unwanted application
7.0.302.0

K7 AntiVirus
Adware
13.212.18127

McAfee
Trojan.Artemis!B2EC2D7DC979
18.0.204.0

Rising Antivirus
PE:Malware.Generic(Thunder)!1.A1C4 [F]
23.00.65.151215

VIPRE Antivirus
Trojan.Win32.Generic
45880

File size:
994.6 KB (1,018,472 bytes)

Product version:
1.2.11.27

Copyright:
Riyue Tongxing Information Technology (Beijing) Co.,Ltd.

Original file name:
downer

File type:
Executable application (Win32 EXE)

Language:
Chinese (Simplified, China)

Common path:
C:\users\{user}\downloads\mathtype6.9_5100000054476978265.exe

Digital Signature
Signed by:
Riyue Tongxing Information Technology (Beijing) Co.,Ltd.

Authority:
WoSign CA Limited

Valid from:
11/2/2015 2:48:13 AM

Valid to:
11/2/2016 3:48:13 AM

Subject:
CN="Riyue Tongxing Information Technology (Beijing) Co.,Ltd.", O="Riyue Tongxing Information Technology (Beijing) Co.,Ltd.", L=Beijing, S=Beijing, C=CN

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

Serial number:
55950E596B6D1EB045BBED7DEE696932

File PE Metadata
Compilation timestamp:
11/26/2015 9:24:42 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:T+s5tNm27Gamk/bL6bYfhw78RV7iA92VlIAVd+:x7m4PDL6+i78RZx92VlIAVd+

Entry address:
0x252DC0

Entry point:
60, BE, 00, 40, 56, 00, 8D, BE, 00, D0, E9, FF, C7, 87, F8, C9, 17, 00, 7B, 30, 18, 05, 57, 83, CD, FF, EB, 0E, 90, 90, 90, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, EF, 75, 09, 8B, 1E, 83, EE, FC, 11, DB, 73, E4, 31, C9, 83, E8, 03, 72, 0D, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 74, 89, C5, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB...
 
[+]

Entropy:
7.8677

Packer / compiler:
UPX v0.89.6 - v1.02 / v1.05 -v1.22 (Delphi) stub

Code size:
956 KB (978,944 bytes)

The file mathtype6.9_5100000054476978265.exe has been seen being distributed by the following 11 URLs.

http://filecdn.72zx.com/.../??????_30@62433.exe

http://filecdn.72zx.com/.../m4a?????(Bigasoft_30@103177.exe

http://dl.pconline.com.cn/intf/.../downLoadTool.jsp?masterId=40908&ipType=1&riYueToken=UvaHhgBg

http://filecdn.72zx.com/.../??????_30@58262.exe

http://dl.pconline.com.cn/intf/.../downLoadTool.jsp?masterId=155&ipType=1&riYueToken=Ad2TDlYT

http://dl.pconline.com.cn/intf/.../downLoadTool.jsp?masterId=354037&ipType=1&riYueToken=NpbRyGhX

http://dlc2.pconline.com.cn/filedown3_354959_26900536/.../KaoPuWechatSetup-v1.0.017_5200003549596900536.exe

http://ftp-idc.pconline.com.cn/b408e4876555ce39b1e7df5fe17ed470/8100000512247008270/Thunder/pub/download/.../maldner.exe

http://dlc2.pconline.com.cn/filedown3_37973_16961492/.../360safe 105720 n6075a44d8_5100000379736961492.exe

http://dl.pconline.com.cn/intf/.../downLoadTool.jsp?masterId=10356&ipType=1&riYueToken=GibxVo3h

http://dl.pconline.com.cn/intf/.../downLoadTool.jsp?masterId=8870&ipType=1&riYueToken=7hnplVxF

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