The below are almost virus free file formats forver, its mostly images and videos and other stuffs which are non exceutable. Add these to the exception list to speed up scanning times and performance and at the same time begin safe.

JPEG XR;TGA;ILBM;DEEP;IMG;PCX;ECW;IMG;SID;CD5;FITS;PGF;XCF;PSD;PSP;VICAR;JPEG;JFIF;JPEG 2000;Exif;TIFF;RAW;GIF;BMP;PNG;PPM;PGM;PBM;PNM;PFM;PAM;WEBP;WEBM;HDR;RGBE;IFF-RGFX;3dmlw;3dxml;ACP;AMF;AEC;AR;ART;ASC;ASM;BIN;BIM;CCC;CCM;CCS;CAD;CATDrawing;CATPart;CATProduct;CATProcess;cgr;CO;DRW;DFT;DGN;DGK;DMT;DXF;DWB;DWF;DWG;EASM;EDRW;EMB;EPRT;ESW;EXCELLON;EXP;FM;FMZ;G;GBR;GLM;GRB;GTC;IAM;ICD;IDW;IFC;IGES;IPN;IPT;JT;MCD;model;OCD;PAR;PIPE;PLN;PRT;PSM;PSMODEL;PWI;PYT;SKP;RLF;RVT;RFA;S12;SCAD;SCDOC;SLDASM;SLDDRW;SLDPRT;XSI;STEP;STL;TCT;TCW;UNV;VC6;VLM;VS;WRL;XE;EDA;ECAD;BRD;BSDL;CDL;CPF;DEF;DSPF;EDIF;FSDB;GDSII;HEX;LEF;LIB;MS12;OASIS;OpenAccess;SDC;SDF;SPEF;SPI;CIR;SPICE;SREC;STILSV;UPF;V;VCD;VHD;VHDL;WGLAPR;DEM;E00;GeoTIFF;GPX;MXD;OV2;SHP;TAB;World TIFF;DTED;KML;3DT;ATY;CAG;FES;MGMF;MM;MMP;TPC;ASE;ART;BMP;BLP;CD5;CIT;CPT;CR2;CUT;DDS;DIB;DjVu;EGT;Exif;GIF;GPL;GRF;ICNS;ICO;iff;ilbm;lbm;jpg;jpeg;JP2;JPS;LBM;MAX;MIFF;MNG;MSP;NITF;OTA bitmap;PBM;PC1;PC2;PC3;PCF;PCX;PDN;PGM;PI1;PI2;PI3;PICT;PCT;PNG;PNM;PNS;PPM;PSB;PSD;PDD;PGB;INT;BW;tga;targ;a;icb;vda;vst;pix;tif;tiff;VTF;XBM;XCF;XPM;3DV;AMF;AWG;AI;CGM;CDR;CMX;DXF;E2D;EGT;EPS;FS;GBR;ODG;BYU;SVG;STL;wrl;X3D;SXD;V2D;WMF;EMF;ART;XAR;3DMF;3DS;ABC;AC;AMF;AN8;AOI;B3D;BLEND;BLOCK;C4D;Cal3D;CCP4;CFL;COB;CORE3D;CTM;DAE;DFF;DPM;DTS;EGG;FAC;FBX;G;GLM;JAS;lwo;lws;lxo;ma;max;mb;md2;md3;mdx;m;mesh;mm3d;MPO;MRC;nif;obj;off;ogex;ply;PRC;pov;rwx;sia;sib;skp;sldasm;sldprt;smd;u3d;vimproj;wrl;vue;vwx;wings;w3d;x;x3d;z3d;MML;ODF;SXM;AAF;3GP;GIF;ASF;AVCHD;AVI;CAM;DAT;DSH;FLV;M1V;M2V;FLA;FLR;SOL;M4V;mkv;ASP;AVC;wrap;MNG;mov;QTCH;mpeg;mpg;mpe;MP4;MXF;ROQ;NSV;Ogg;RM;SVI;SMI;SWF;WMV;FCP;MSWMM;PPJ;IMOVIEPROJ;VEG;suf;WLMP;atom;eml;jsonld;metalink;met;rss;xml;markdown;dtd;xml;html;htm;xhtml;xht;mht;mhtml;maff;ANI;CUR;ABF;AFM;BDF;BMF;FNT;FON;MGF;OTF;PCF;PFA;PFB;PFM;AFM;FOND;SFD;SNF;TDF;TFM;TTF;TTC;WOFF